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Finding the Fourth Proportional to 374,527.62, 561,528.99 and 137,839.55

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Solution

The fourth proportional to 374,527.62, 561,528.99 and 137,839.55 is: 206,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,527.62 : 561,528.99 = 137,839.55 : x
  2. Step 2: Convert to fraction form
    374,527.62/561,528.99 = 137,839.55/x
  3. Step 3: Cross multiply
    374,527.62x = 561,528.99 × 137,839.55
  4. Step 4: Simplify right side
    374,527.62x = 77,400,903,293.55
  5. Step 5: Solve for x
    x = 77,400,903,293.55/374,527.62
  6. Step 6: Final answer
    x = 206,662.74

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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.