Home / 257,299.01-386,054.22-107,570.92

Finding the Fourth Proportional to 257,299.01, 386,054.22 and 107,570.92

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Solution

The fourth proportional to 257,299.01, 386,054.22 and 107,570.92 is: 161,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,299.01 : 386,054.22 = 107,570.92 : x
  2. Step 2: Convert to fraction form
    257,299.01/386,054.22 = 107,570.92/x
  3. Step 3: Cross multiply
    257,299.01x = 386,054.22 × 107,570.92
  4. Step 4: Simplify right side
    257,299.01x = 41,528,207,615.28
  5. Step 5: Solve for x
    x = 41,528,207,615.28/257,299.01
  6. Step 6: Final answer
    x = 161,400.57

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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.