Home / 303,972.10-455,965.95-144,010.57

Finding the Fourth Proportional to 303,972.10, 455,965.95 and 144,010.57

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Solution

The fourth proportional to 303,972.10, 455,965.95 and 144,010.57 is: 216,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.10 : 455,965.95 = 144,010.57 : x
  2. Step 2: Convert to fraction form
    303,972.10/455,965.95 = 144,010.57/x
  3. Step 3: Cross multiply
    303,972.10x = 455,965.95 × 144,010.57
  4. Step 4: Simplify right side
    303,972.10x = 65,663,916,360.09
  5. Step 5: Solve for x
    x = 65,663,916,360.09/303,972.10
  6. Step 6: Final answer
    x = 216,019.55

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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.