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Finding the Fourth Proportional to 454,180.72, 626,770.02 and 247,448.08

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Solution

The fourth proportional to 454,180.72, 626,770.02 and 247,448.08 is: 341,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,180.72 : 626,770.02 = 247,448.08 : x
  2. Step 2: Convert to fraction form
    454,180.72/626,770.02 = 247,448.08/x
  3. Step 3: Cross multiply
    454,180.72x = 626,770.02 × 247,448.08
  4. Step 4: Simplify right side
    454,180.72x = 155,093,038,050.56
  5. Step 5: Solve for x
    x = 155,093,038,050.56/454,180.72
  6. Step 6: Final answer
    x = 341,478.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.