Home / 257,655.06-386,301.49-113,492.46

Finding the Fourth Proportional to 257,655.06, 386,301.49 and 113,492.46

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Solution

The fourth proportional to 257,655.06, 386,301.49 and 113,492.46 is: 170,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,655.06 : 386,301.49 = 113,492.46 : x
  2. Step 2: Convert to fraction form
    257,655.06/386,301.49 = 113,492.46/x
  3. Step 3: Cross multiply
    257,655.06x = 386,301.49 × 113,492.46
  4. Step 4: Simplify right side
    257,655.06x = 43,842,306,401.77
  5. Step 5: Solve for x
    x = 43,842,306,401.77/257,655.06
  6. Step 6: Final answer
    x = 170,158.92

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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.