Home / 247,837.20-371,495.88-121,302.96

Finding the Fourth Proportional to 247,837.20, 371,495.88 and 121,302.96

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Solution

The fourth proportional to 247,837.20, 371,495.88 and 121,302.96 is: 181,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,837.20 : 371,495.88 = 121,302.96 : x
  2. Step 2: Convert to fraction form
    247,837.20/371,495.88 = 121,302.96/x
  3. Step 3: Cross multiply
    247,837.20x = 371,495.88 × 121,302.96
  4. Step 4: Simplify right side
    247,837.20x = 45,063,549,871.80
  5. Step 5: Solve for x
    x = 45,063,549,871.80/247,837.20
  6. Step 6: Final answer
    x = 181,827.22

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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.