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Finding the Fourth Proportional to 219,706.40, 329,588.76 and 101,404.28

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Solution

The fourth proportional to 219,706.40, 329,588.76 and 101,404.28 is: 152,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,706.40 : 329,588.76 = 101,404.28 : x
  2. Step 2: Convert to fraction form
    219,706.40/329,588.76 = 101,404.28/x
  3. Step 3: Cross multiply
    219,706.40x = 329,588.76 × 101,404.28
  4. Step 4: Simplify right side
    219,706.40x = 33,421,710,903.89
  5. Step 5: Solve for x
    x = 33,421,710,903.89/219,706.40
  6. Step 6: Final answer
    x = 152,119.88

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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.