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Finding the Fourth Proportional to 219,856.16, 329,746.98 and 62,047.64

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Solution

The fourth proportional to 219,856.16, 329,746.98 and 62,047.64 is: 93,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,856.16 : 329,746.98 = 62,047.64 : x
  2. Step 2: Convert to fraction form
    219,856.16/329,746.98 = 62,047.64/x
  3. Step 3: Cross multiply
    219,856.16x = 329,746.98 × 62,047.64
  4. Step 4: Simplify right side
    219,856.16x = 20,460,021,906.13
  5. Step 5: Solve for x
    x = 20,460,021,906.13/219,856.16
  6. Step 6: Final answer
    x = 93,060.94

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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.