Home / 431,721.90-595,780.08-238,137.02

Finding the Fourth Proportional to 431,721.90, 595,780.08 and 238,137.02

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Solution

The fourth proportional to 431,721.90, 595,780.08 and 238,137.02 is: 328,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,721.90 : 595,780.08 = 238,137.02 : x
  2. Step 2: Convert to fraction form
    431,721.90/595,780.08 = 238,137.02/x
  3. Step 3: Cross multiply
    431,721.90x = 595,780.08 × 238,137.02
  4. Step 4: Simplify right side
    431,721.90x = 141,877,292,826.56
  5. Step 5: Solve for x
    x = 141,877,292,826.56/431,721.90
  6. Step 6: Final answer
    x = 328,631.22

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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.