Home / 305,513.64-458,278.14-83,897

Finding the Fourth Proportional to 305,513.64, 458,278.14 and 83,897

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Solution

The fourth proportional to 305,513.64, 458,278.14 and 83,897 is: 125,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,513.64 : 458,278.14 = 83,897 : x
  2. Step 2: Convert to fraction form
    305,513.64/458,278.14 = 83,897/x
  3. Step 3: Cross multiply
    305,513.64x = 458,278.14 × 83,897
  4. Step 4: Simplify right side
    305,513.64x = 38,448,161,111.58
  5. Step 5: Solve for x
    x = 38,448,161,111.58/305,513.64
  6. Step 6: Final answer
    x = 125,847.61

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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.