Home / 318,612.20-439,668.14-175,344.89

Finding the Fourth Proportional to 318,612.20, 439,668.14 and 175,344.89

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Solution

The fourth proportional to 318,612.20, 439,668.14 and 175,344.89 is: 241,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,612.20 : 439,668.14 = 175,344.89 : x
  2. Step 2: Convert to fraction form
    318,612.20/439,668.14 = 175,344.89/x
  3. Step 3: Cross multiply
    318,612.20x = 439,668.14 × 175,344.89
  4. Step 4: Simplify right side
    318,612.20x = 77,093,558,569.74
  5. Step 5: Solve for x
    x = 77,093,558,569.74/318,612.20
  6. Step 6: Final answer
    x = 241,966.75

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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.