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Finding the Fourth Proportional to 482,881.40, 724,322.10 and 127,950.20

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Solution

The fourth proportional to 482,881.40, 724,322.10 and 127,950.20 is: 191,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,881.40 : 724,322.10 = 127,950.20 : x
  2. Step 2: Convert to fraction form
    482,881.40/724,322.10 = 127,950.20/x
  3. Step 3: Cross multiply
    482,881.40x = 724,322.10 × 127,950.20
  4. Step 4: Simplify right side
    482,881.40x = 92,677,157,559.42
  5. Step 5: Solve for x
    x = 92,677,157,559.42/482,881.40
  6. Step 6: Final answer
    x = 191,925.30

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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.