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Finding the Fourth Proportional to 247,415.70, 371,123.55 and 247,415.70

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Solution

The fourth proportional to 247,415.70, 371,123.55 and 247,415.70 is: 371,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,415.70 : 371,123.55 = 247,415.70 : x
  2. Step 2: Convert to fraction form
    247,415.70/371,123.55 = 247,415.70/x
  3. Step 3: Cross multiply
    247,415.70x = 371,123.55 × 247,415.70
  4. Step 4: Simplify right side
    247,415.70x = 91,821,792,909.74
  5. Step 5: Solve for x
    x = 91,821,792,909.74/247,415.70
  6. Step 6: Final answer
    x = 371,123.55

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1.5x scale

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.