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Finding the Fourth Proportional to 479,627.94, 719,273.01 and 159,692.92

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Solution

The fourth proportional to 479,627.94, 719,273.01 and 159,692.92 is: 239,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,627.94 : 719,273.01 = 159,692.92 : x
  2. Step 2: Convert to fraction form
    479,627.94/719,273.01 = 159,692.92/x
  3. Step 3: Cross multiply
    479,627.94x = 719,273.01 × 159,692.92
  4. Step 4: Simplify right side
    479,627.94x = 114,862,807,244.09
  5. Step 5: Solve for x
    x = 114,862,807,244.09/479,627.94
  6. Step 6: Final answer
    x = 239,483.14

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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.