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Finding the Fourth Proportional to 243,627.35, 365,274.71 and 129,792.17

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Solution

The fourth proportional to 243,627.35, 365,274.71 and 129,792.17 is: 194,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,627.35 : 365,274.71 = 129,792.17 : x
  2. Step 2: Convert to fraction form
    243,627.35/365,274.71 = 129,792.17/x
  3. Step 3: Cross multiply
    243,627.35x = 365,274.71 × 129,792.17
  4. Step 4: Simplify right side
    243,627.35x = 47,409,798,738.05
  5. Step 5: Solve for x
    x = 47,409,798,738.05/243,627.35
  6. Step 6: Final answer
    x = 194,599.66

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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.