Home / 272,085.08-406,070.10-264,999.20

Finding the Fourth Proportional to 272,085.08, 406,070.10 and 264,999.20

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Solution

The fourth proportional to 272,085.08, 406,070.10 and 264,999.20 is: 395,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,085.08 : 406,070.10 = 264,999.20 : x
  2. Step 2: Convert to fraction form
    272,085.08/406,070.10 = 264,999.20/x
  3. Step 3: Cross multiply
    272,085.08x = 406,070.10 × 264,999.20
  4. Step 4: Simplify right side
    272,085.08x = 107,608,249,613.57
  5. Step 5: Solve for x
    x = 107,608,249,613.57/272,085.08
  6. Step 6: Final answer
    x = 395,494.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.