Home / 261,377.12-361,190.76-213,613.04

Finding the Fourth Proportional to 261,377.12, 361,190.76 and 213,613.04

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Solution

The fourth proportional to 261,377.12, 361,190.76 and 213,613.04 is: 295,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,377.12 : 361,190.76 = 213,613.04 : x
  2. Step 2: Convert to fraction form
    261,377.12/361,190.76 = 213,613.04/x
  3. Step 3: Cross multiply
    261,377.12x = 361,190.76 × 213,613.04
  4. Step 4: Simplify right side
    261,377.12x = 77,155,056,263.51
  5. Step 5: Solve for x
    x = 77,155,056,263.51/261,377.12
  6. Step 6: Final answer
    x = 295,186.73

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1.5x scale

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.