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Finding the Fourth Proportional to 247,119.60, 370,679.40 and 147,392.40

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Solution

The fourth proportional to 247,119.60, 370,679.40 and 147,392.40 is: 221,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,119.60 : 370,679.40 = 147,392.40 : x
  2. Step 2: Convert to fraction form
    247,119.60/370,679.40 = 147,392.40/x
  3. Step 3: Cross multiply
    247,119.60x = 370,679.40 × 147,392.40
  4. Step 4: Simplify right side
    247,119.60x = 54,635,326,396.56
  5. Step 5: Solve for x
    x = 54,635,326,396.56/247,119.60
  6. Step 6: Final answer
    x = 221,088.60

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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.