Home / 257,381.12-386,120.18-97,504.94

Finding the Fourth Proportional to 257,381.12, 386,120.18 and 97,504.94

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Solution

The fourth proportional to 257,381.12, 386,120.18 and 97,504.94 is: 146,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,381.12 : 386,120.18 = 97,504.94 : x
  2. Step 2: Convert to fraction form
    257,381.12/386,120.18 = 97,504.94/x
  3. Step 3: Cross multiply
    257,381.12x = 386,120.18 × 97,504.94
  4. Step 4: Simplify right side
    257,381.12x = 37,648,624,018.39
  5. Step 5: Solve for x
    x = 37,648,624,018.39/257,381.12
  6. Step 6: Final answer
    x = 146,275.78

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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.