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Finding the Fourth Proportional to 146,565.78, 219,848.05 and 62,312.82

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Solution

The fourth proportional to 146,565.78, 219,848.05 and 62,312.82 is: 93,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,565.78 : 219,848.05 = 62,312.82 : x
  2. Step 2: Convert to fraction form
    146,565.78/219,848.05 = 62,312.82/x
  3. Step 3: Cross multiply
    146,565.78x = 219,848.05 × 62,312.82
  4. Step 4: Simplify right side
    146,565.78x = 13,699,351,967.00
  5. Step 5: Solve for x
    x = 13,699,351,967.00/146,565.78
  6. Step 6: Final answer
    x = 93,468.97

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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.