Home / 348,016.60-522,024.90-305,162.20

Finding the Fourth Proportional to 348,016.60, 522,024.90 and 305,162.20

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Solution

The fourth proportional to 348,016.60, 522,024.90 and 305,162.20 is: 457,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,016.60 : 522,024.90 = 305,162.20 : x
  2. Step 2: Convert to fraction form
    348,016.60/522,024.90 = 305,162.20/x
  3. Step 3: Cross multiply
    348,016.60x = 522,024.90 × 305,162.20
  4. Step 4: Simplify right side
    348,016.60x = 159,302,266,938.78
  5. Step 5: Solve for x
    x = 159,302,266,938.78/348,016.60
  6. Step 6: Final answer
    x = 457,743.30

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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.