Home / 402,934.01-556,089.68-230,874.80

Finding the Fourth Proportional to 402,934.01, 556,089.68 and 230,874.80

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Solution

The fourth proportional to 402,934.01, 556,089.68 and 230,874.80 is: 318,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,934.01 : 556,089.68 = 230,874.80 : x
  2. Step 2: Convert to fraction form
    402,934.01/556,089.68 = 230,874.80/x
  3. Step 3: Cross multiply
    402,934.01x = 556,089.68 × 230,874.80
  4. Step 4: Simplify right side
    402,934.01x = 128,387,092,497.69
  5. Step 5: Solve for x
    x = 128,387,092,497.69/402,934.01
  6. Step 6: Final answer
    x = 318,630.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.