Home / 297,030.20-445,545.30-157,062.20

Finding the Fourth Proportional to 297,030.20, 445,545.30 and 157,062.20

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Solution

The fourth proportional to 297,030.20, 445,545.30 and 157,062.20 is: 235,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,030.20 : 445,545.30 = 157,062.20 : x
  2. Step 2: Convert to fraction form
    297,030.20/445,545.30 = 157,062.20/x
  3. Step 3: Cross multiply
    297,030.20x = 445,545.30 × 157,062.20
  4. Step 4: Simplify right side
    297,030.20x = 69,978,325,017.66
  5. Step 5: Solve for x
    x = 69,978,325,017.66/297,030.20
  6. Step 6: Final answer
    x = 235,593.30

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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.