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Finding the Fourth Proportional to 199,892.68, 299,890.95 and 59,651.30

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Solution

The fourth proportional to 199,892.68, 299,890.95 and 59,651.30 is: 89,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,892.68 : 299,890.95 = 59,651.30 : x
  2. Step 2: Convert to fraction form
    199,892.68/299,890.95 = 59,651.30/x
  3. Step 3: Cross multiply
    199,892.68x = 299,890.95 × 59,651.30
  4. Step 4: Simplify right side
    199,892.68x = 17,888,885,551.77
  5. Step 5: Solve for x
    x = 17,888,885,551.77/199,892.68
  6. Step 6: Final answer
    x = 89,492.45

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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.