Home / 305,625.17-458,411.33-137,100.42

Finding the Fourth Proportional to 305,625.17, 458,411.33 and 137,100.42

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Solution

The fourth proportional to 305,625.17, 458,411.33 and 137,100.42 is: 205,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,625.17 : 458,411.33 = 137,100.42 : x
  2. Step 2: Convert to fraction form
    305,625.17/458,411.33 = 137,100.42/x
  3. Step 3: Cross multiply
    305,625.17x = 458,411.33 × 137,100.42
  4. Step 4: Simplify right side
    305,625.17x = 62,848,386,218.51
  5. Step 5: Solve for x
    x = 62,848,386,218.51/305,625.17
  6. Step 6: Final answer
    x = 205,638.78

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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.