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Finding the Fourth Proportional to 374,503.70, 561,755.55 and 137,797.40

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Solution

The fourth proportional to 374,503.70, 561,755.55 and 137,797.40 is: 206,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,503.70 : 561,755.55 = 137,797.40 : x
  2. Step 2: Convert to fraction form
    374,503.70/561,755.55 = 137,797.40/x
  3. Step 3: Cross multiply
    374,503.70x = 561,755.55 × 137,797.40
  4. Step 4: Simplify right side
    374,503.70x = 77,408,454,225.57
  5. Step 5: Solve for x
    x = 77,408,454,225.57/374,503.70
  6. Step 6: Final answer
    x = 206,696.10

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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.