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Finding the Fourth Proportional to 302,784.44, 454,265.48 and 89,557.98

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Solution

The fourth proportional to 302,784.44, 454,265.48 and 89,557.98 is: 134,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,784.44 : 454,265.48 = 89,557.98 : x
  2. Step 2: Convert to fraction form
    302,784.44/454,265.48 = 89,557.98/x
  3. Step 3: Cross multiply
    302,784.44x = 454,265.48 × 89,557.98
  4. Step 4: Simplify right side
    302,784.44x = 40,683,098,772.53
  5. Step 5: Solve for x
    x = 40,683,098,772.53/302,784.44
  6. Step 6: Final answer
    x = 134,363.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.