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Finding the Fourth Proportional to 492,459.84, 738,717.12 and 155,508.48

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Solution

The fourth proportional to 492,459.84, 738,717.12 and 155,508.48 is: 233,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,459.84 : 738,717.12 = 155,508.48 : x
  2. Step 2: Convert to fraction form
    492,459.84/738,717.12 = 155,508.48/x
  3. Step 3: Cross multiply
    492,459.84x = 738,717.12 × 155,508.48
  4. Step 4: Simplify right side
    492,459.84x = 114,876,776,481.18
  5. Step 5: Solve for x
    x = 114,876,776,481.18/492,459.84
  6. Step 6: Final answer
    x = 233,271.36

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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.