Home / 257,746.60-386,626.38-100,010.44

Finding the Fourth Proportional to 257,746.60, 386,626.38 and 100,010.44

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Solution

The fourth proportional to 257,746.60, 386,626.38 and 100,010.44 is: 150,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,746.60 : 386,626.38 = 100,010.44 : x
  2. Step 2: Convert to fraction form
    257,746.60/386,626.38 = 100,010.44/x
  3. Step 3: Cross multiply
    257,746.60x = 386,626.38 × 100,010.44
  4. Step 4: Simplify right side
    257,746.60x = 38,666,674,379.41
  5. Step 5: Solve for x
    x = 38,666,674,379.41/257,746.60
  6. Step 6: Final answer
    x = 150,018.17

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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.