Home / 285,931.32-394,577.56-165,068.52

Finding the Fourth Proportional to 285,931.32, 394,577.56 and 165,068.52

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Solution

The fourth proportional to 285,931.32, 394,577.56 and 165,068.52 is: 227,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,931.32 : 394,577.56 = 165,068.52 : x
  2. Step 2: Convert to fraction form
    285,931.32/394,577.56 = 165,068.52/x
  3. Step 3: Cross multiply
    285,931.32x = 394,577.56 × 165,068.52
  4. Step 4: Simplify right side
    285,931.32x = 65,132,333,854.41
  5. Step 5: Solve for x
    x = 65,132,333,854.41/285,931.32
  6. Step 6: Final answer
    x = 227,790.13

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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.