Home / 272,720.04-408,827.47-139,306.04

Finding the Fourth Proportional to 272,720.04, 408,827.47 and 139,306.04

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Solution

The fourth proportional to 272,720.04, 408,827.47 and 139,306.04 is: 208,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,720.04 : 408,827.47 = 139,306.04 : x
  2. Step 2: Convert to fraction form
    272,720.04/408,827.47 = 139,306.04/x
  3. Step 3: Cross multiply
    272,720.04x = 408,827.47 × 139,306.04
  4. Step 4: Simplify right side
    272,720.04x = 56,952,135,888.92
  5. Step 5: Solve for x
    x = 56,952,135,888.92/272,720.04
  6. Step 6: Final answer
    x = 208,830.04

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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.