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Finding the Fourth Proportional to 496,466.58, 744,724.47 and 141,532.89

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Solution

The fourth proportional to 496,466.58, 744,724.47 and 141,532.89 is: 212,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,466.58 : 744,724.47 = 141,532.89 : x
  2. Step 2: Convert to fraction form
    496,466.58/744,724.47 = 141,532.89/x
  3. Step 3: Cross multiply
    496,466.58x = 744,724.47 × 141,532.89
  4. Step 4: Simplify right side
    496,466.58x = 105,403,006,492.82
  5. Step 5: Solve for x
    x = 105,403,006,492.82/496,466.58
  6. Step 6: Final answer
    x = 212,306.35

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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.