Home / 285,452.18-393,965.98-164,569.86

Finding the Fourth Proportional to 285,452.18, 393,965.98 and 164,569.86

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Solution

The fourth proportional to 285,452.18, 393,965.98 and 164,569.86 is: 227,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,452.18 : 393,965.98 = 164,569.86 : x
  2. Step 2: Convert to fraction form
    285,452.18/393,965.98 = 164,569.86/x
  3. Step 3: Cross multiply
    285,452.18x = 393,965.98 × 164,569.86
  4. Step 4: Simplify right side
    285,452.18x = 64,834,925,761.94
  5. Step 5: Solve for x
    x = 64,834,925,761.94/285,452.18
  6. Step 6: Final answer
    x = 227,130.60

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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.