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Finding the Fourth Proportional to 341,969.70, 513,246.15 and 152,721.30

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Solution

The fourth proportional to 341,969.70, 513,246.15 and 152,721.30 is: 229,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,969.70 : 513,246.15 = 152,721.30 : x
  2. Step 2: Convert to fraction form
    341,969.70/513,246.15 = 152,721.30/x
  3. Step 3: Cross multiply
    341,969.70x = 513,246.15 × 152,721.30
  4. Step 4: Simplify right side
    341,969.70x = 78,383,619,248.00
  5. Step 5: Solve for x
    x = 78,383,619,248.00/341,969.70
  6. Step 6: Final answer
    x = 229,212.18

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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.