Home / 498,117.22-747,120.47-178,256.17

Finding the Fourth Proportional to 498,117.22, 747,120.47 and 178,256.17

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Solution

The fourth proportional to 498,117.22, 747,120.47 and 178,256.17 is: 267,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,117.22 : 747,120.47 = 178,256.17 : x
  2. Step 2: Convert to fraction form
    498,117.22/747,120.47 = 178,256.17/x
  3. Step 3: Cross multiply
    498,117.22x = 747,120.47 × 178,256.17
  4. Step 4: Simplify right side
    498,117.22x = 133,178,833,510.80
  5. Step 5: Solve for x
    x = 133,178,833,510.80/498,117.22
  6. Step 6: Final answer
    x = 267,364.44

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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.