Home / 348,541.60-522,121.20-207,882.40

Finding the Fourth Proportional to 348,541.60, 522,121.20 and 207,882.40

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Solution

The fourth proportional to 348,541.60, 522,121.20 and 207,882.40 is: 311,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,541.60 : 522,121.20 = 207,882.40 : x
  2. Step 2: Convert to fraction form
    348,541.60/522,121.20 = 207,882.40/x
  3. Step 3: Cross multiply
    348,541.60x = 522,121.20 × 207,882.40
  4. Step 4: Simplify right side
    348,541.60x = 108,539,808,146.88
  5. Step 5: Solve for x
    x = 108,539,808,146.88/348,541.60
  6. Step 6: Final answer
    x = 311,411.34

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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.