Home / 438,134.80-657,202.20-298,166.80

Finding the Fourth Proportional to 438,134.80, 657,202.20 and 298,166.80

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Solution

The fourth proportional to 438,134.80, 657,202.20 and 298,166.80 is: 447,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,134.80 : 657,202.20 = 298,166.80 : x
  2. Step 2: Convert to fraction form
    438,134.80/657,202.20 = 298,166.80/x
  3. Step 3: Cross multiply
    438,134.80x = 657,202.20 × 298,166.80
  4. Step 4: Simplify right side
    438,134.80x = 195,955,876,926.96
  5. Step 5: Solve for x
    x = 195,955,876,926.96/438,134.80
  6. Step 6: Final answer
    x = 447,250.20

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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.