Home / 285,465.30-393,966.18-158,152.74

Finding the Fourth Proportional to 285,465.30, 393,966.18 and 158,152.74

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Solution

The fourth proportional to 285,465.30, 393,966.18 and 158,152.74 is: 218,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,465.30 : 393,966.18 = 158,152.74 : x
  2. Step 2: Convert to fraction form
    285,465.30/393,966.18 = 158,152.74/x
  3. Step 3: Cross multiply
    285,465.30x = 393,966.18 × 158,152.74
  4. Step 4: Simplify right side
    285,465.30x = 62,306,830,834.33
  5. Step 5: Solve for x
    x = 62,306,830,834.33/285,465.30
  6. Step 6: Final answer
    x = 218,264.11

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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.