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Finding the Fourth Proportional to 522,012.20, 783,134.76 and 167,047.52

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Solution

The fourth proportional to 522,012.20, 783,134.76 and 167,047.52 is: 250,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,012.20 : 783,134.76 = 167,047.52 : x
  2. Step 2: Convert to fraction form
    522,012.20/783,134.76 = 167,047.52/x
  3. Step 3: Cross multiply
    522,012.20x = 783,134.76 × 167,047.52
  4. Step 4: Simplify right side
    522,012.20x = 130,820,719,483.80
  5. Step 5: Solve for x
    x = 130,820,719,483.80/522,012.20
  6. Step 6: Final answer
    x = 250,608.55

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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.