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Finding the Fourth Proportional to 170,341.20, 255,511.80 and 151,314.30

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Solution

The fourth proportional to 170,341.20, 255,511.80 and 151,314.30 is: 226,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,341.20 : 255,511.80 = 151,314.30 : x
  2. Step 2: Convert to fraction form
    170,341.20/255,511.80 = 151,314.30/x
  3. Step 3: Cross multiply
    170,341.20x = 255,511.80 × 151,314.30
  4. Step 4: Simplify right side
    170,341.20x = 38,662,589,158.74
  5. Step 5: Solve for x
    x = 38,662,589,158.74/170,341.20
  6. Step 6: Final answer
    x = 226,971.45

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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.