Home / 420,013.25-629,766.55-167,332.74

Finding the Fourth Proportional to 420,013.25, 629,766.55 and 167,332.74

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Solution

The fourth proportional to 420,013.25, 629,766.55 and 167,332.74 is: 250,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,013.25 : 629,766.55 = 167,332.74 : x
  2. Step 2: Convert to fraction form
    420,013.25/629,766.55 = 167,332.74/x
  3. Step 3: Cross multiply
    420,013.25x = 629,766.55 × 167,332.74
  4. Step 4: Simplify right side
    420,013.25x = 105,380,559,278.14
  5. Step 5: Solve for x
    x = 105,380,559,278.14/420,013.25
  6. Step 6: Final answer
    x = 250,898.18

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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.