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Finding the Fourth Proportional to 630,752.43, 946,279.30 and 210,031.95

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Solution

The fourth proportional to 630,752.43, 946,279.30 and 210,031.95 is: 315,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,752.43 : 946,279.30 = 210,031.95 : x
  2. Step 2: Convert to fraction form
    630,752.43/946,279.30 = 210,031.95/x
  3. Step 3: Cross multiply
    630,752.43x = 946,279.30 × 210,031.95
  4. Step 4: Simplify right side
    630,752.43x = 198,748,881,892.24
  5. Step 5: Solve for x
    x = 198,748,881,892.24/630,752.43
  6. Step 6: Final answer
    x = 315,098.09

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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.