Home / 348,132.60-522,371.70-137,777.40

Finding the Fourth Proportional to 348,132.60, 522,371.70 and 137,777.40

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Solution

The fourth proportional to 348,132.60, 522,371.70 and 137,777.40 is: 206,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,132.60 : 522,371.70 = 137,777.40 : x
  2. Step 2: Convert to fraction form
    348,132.60/522,371.70 = 137,777.40/x
  3. Step 3: Cross multiply
    348,132.60x = 522,371.70 × 137,777.40
  4. Step 4: Simplify right side
    348,132.60x = 71,971,014,659.58
  5. Step 5: Solve for x
    x = 71,971,014,659.58/348,132.60
  6. Step 6: Final answer
    x = 206,734.49

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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.