Home / 314,788.95-472,010.29-215,061.75

Finding the Fourth Proportional to 314,788.95, 472,010.29 and 215,061.75

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Solution

The fourth proportional to 314,788.95, 472,010.29 and 215,061.75 is: 322,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,788.95 : 472,010.29 = 215,061.75 : x
  2. Step 2: Convert to fraction form
    314,788.95/472,010.29 = 215,061.75/x
  3. Step 3: Cross multiply
    314,788.95x = 472,010.29 × 215,061.75
  4. Step 4: Simplify right side
    314,788.95x = 101,511,358,447.75
  5. Step 5: Solve for x
    x = 101,511,358,447.75/314,788.95
  6. Step 6: Final answer
    x = 322,474.34

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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.