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Finding the Fourth Proportional to 210,654, 316,035.72 and 62,910

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Solution

The fourth proportional to 210,654, 316,035.72 and 62,910 is: 94,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,654 : 316,035.72 = 62,910 : x
  2. Step 2: Convert to fraction form
    210,654/316,035.72 = 62,910/x
  3. Step 3: Cross multiply
    210,654x = 316,035.72 × 62,910
  4. Step 4: Simplify right side
    210,654x = 19,881,807,145.20
  5. Step 5: Solve for x
    x = 19,881,807,145.20/210,654
  6. Step 6: Final answer
    x = 94,381.34

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