Home / 334,759.20-501,711.74-156,874.30

Finding the Fourth Proportional to 334,759.20, 501,711.74 and 156,874.30

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Solution

The fourth proportional to 334,759.20, 501,711.74 and 156,874.30 is: 235,111.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,759.20 : 501,711.74 = 156,874.30 : x
  2. Step 2: Convert to fraction form
    334,759.20/501,711.74 = 156,874.30/x
  3. Step 3: Cross multiply
    334,759.20x = 501,711.74 × 156,874.30
  4. Step 4: Simplify right side
    334,759.20x = 78,705,678,014.28
  5. Step 5: Solve for x
    x = 78,705,678,014.28/334,759.20
  6. Step 6: Final answer
    x = 235,111.32

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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.