Home / 261,381.12-361,196.28-213,617.04

Finding the Fourth Proportional to 261,381.12, 361,196.28 and 213,617.04

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Solution

The fourth proportional to 261,381.12, 361,196.28 and 213,617.04 is: 295,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,381.12 : 361,196.28 = 213,617.04 : x
  2. Step 2: Convert to fraction form
    261,381.12/361,196.28 = 213,617.04/x
  3. Step 3: Cross multiply
    261,381.12x = 361,196.28 × 213,617.04
  4. Step 4: Simplify right side
    261,381.12x = 77,157,680,192.61
  5. Step 5: Solve for x
    x = 77,157,680,192.61/261,381.12
  6. Step 6: Final answer
    x = 295,192.25

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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.