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Finding the Fourth Proportional to 590,928.40, 886,392.60 and 170,246.80

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Solution

The fourth proportional to 590,928.40, 886,392.60 and 170,246.80 is: 255,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,928.40 : 886,392.60 = 170,246.80 : x
  2. Step 2: Convert to fraction form
    590,928.40/886,392.60 = 170,246.80/x
  3. Step 3: Cross multiply
    590,928.40x = 886,392.60 × 170,246.80
  4. Step 4: Simplify right side
    590,928.40x = 150,905,503,693.68
  5. Step 5: Solve for x
    x = 150,905,503,693.68/590,928.40
  6. Step 6: Final answer
    x = 255,370.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.