Home / 259,312.28-357,036.60-220,473.72

Finding the Fourth Proportional to 259,312.28, 357,036.60 and 220,473.72

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Solution

The fourth proportional to 259,312.28, 357,036.60 and 220,473.72 is: 303,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,312.28 : 357,036.60 = 220,473.72 : x
  2. Step 2: Convert to fraction form
    259,312.28/357,036.60 = 220,473.72/x
  3. Step 3: Cross multiply
    259,312.28x = 357,036.60 × 220,473.72
  4. Step 4: Simplify right side
    259,312.28x = 78,717,187,378.15
  5. Step 5: Solve for x
    x = 78,717,187,378.15/259,312.28
  6. Step 6: Final answer
    x = 303,561.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.