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Finding the Fourth Proportional to 302,461.73, 453,430.14 and 152,576.90

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Solution

The fourth proportional to 302,461.73, 453,430.14 and 152,576.90 is: 228,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,461.73 : 453,430.14 = 152,576.90 : x
  2. Step 2: Convert to fraction form
    302,461.73/453,430.14 = 152,576.90/x
  3. Step 3: Cross multiply
    302,461.73x = 453,430.14 × 152,576.90
  4. Step 4: Simplify right side
    302,461.73x = 69,182,965,127.77
  5. Step 5: Solve for x
    x = 69,182,965,127.77/302,461.73
  6. Step 6: Final answer
    x = 228,732.95

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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.