Home / 420,240.02-579,928.52-238,951.94

Finding the Fourth Proportional to 420,240.02, 579,928.52 and 238,951.94

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Solution

The fourth proportional to 420,240.02, 579,928.52 and 238,951.94 is: 329,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,240.02 : 579,928.52 = 238,951.94 : x
  2. Step 2: Convert to fraction form
    420,240.02/579,928.52 = 238,951.94/x
  3. Step 3: Cross multiply
    420,240.02x = 579,928.52 × 238,951.94
  4. Step 4: Simplify right side
    420,240.02x = 138,575,040,820.93
  5. Step 5: Solve for x
    x = 138,575,040,820.93/420,240.02
  6. Step 6: Final answer
    x = 329,752.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.