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Finding the Fourth Proportional to 434,874.80, 651,505.80 and 247,329.20

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Solution

The fourth proportional to 434,874.80, 651,505.80 and 247,329.20 is: 370,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,874.80 : 651,505.80 = 247,329.20 : x
  2. Step 2: Convert to fraction form
    434,874.80/651,505.80 = 247,329.20/x
  3. Step 3: Cross multiply
    434,874.80x = 651,505.80 × 247,329.20
  4. Step 4: Simplify right side
    434,874.80x = 161,136,408,309.36
  5. Step 5: Solve for x
    x = 161,136,408,309.36/434,874.80
  6. Step 6: Final answer
    x = 370,535.17

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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.