Home / 284,029.22-425,637.86-208,557.20

Finding the Fourth Proportional to 284,029.22, 425,637.86 and 208,557.20

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Solution

The fourth proportional to 284,029.22, 425,637.86 and 208,557.20 is: 312,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,029.22 : 425,637.86 = 208,557.20 : x
  2. Step 2: Convert to fraction form
    284,029.22/425,637.86 = 208,557.20/x
  3. Step 3: Cross multiply
    284,029.22x = 425,637.86 × 208,557.20
  4. Step 4: Simplify right side
    284,029.22x = 88,769,840,316.90
  5. Step 5: Solve for x
    x = 88,769,840,316.90/284,029.22
  6. Step 6: Final answer
    x = 312,537.70

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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.