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Finding the Fourth Proportional to 508,082.52, 701,054.58 and 301,312.62

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Solution

The fourth proportional to 508,082.52, 701,054.58 and 301,312.62 is: 415,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,082.52 : 701,054.58 = 301,312.62 : x
  2. Step 2: Convert to fraction form
    508,082.52/701,054.58 = 301,312.62/x
  3. Step 3: Cross multiply
    508,082.52x = 701,054.58 × 301,312.62
  4. Step 4: Simplify right side
    508,082.52x = 211,236,592,262.80
  5. Step 5: Solve for x
    x = 211,236,592,262.80/508,082.52
  6. Step 6: Final answer
    x = 415,752.53

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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.