Home / 382,129.80-526,783.32-267,051.18

Finding the Fourth Proportional to 382,129.80, 526,783.32 and 267,051.18

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Solution

The fourth proportional to 382,129.80, 526,783.32 and 267,051.18 is: 368,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,129.80 : 526,783.32 = 267,051.18 : x
  2. Step 2: Convert to fraction form
    382,129.80/526,783.32 = 267,051.18/x
  3. Step 3: Cross multiply
    382,129.80x = 526,783.32 × 267,051.18
  4. Step 4: Simplify right side
    382,129.80x = 140,678,107,210.32
  5. Step 5: Solve for x
    x = 140,678,107,210.32/382,129.80
  6. Step 6: Final answer
    x = 368,142.21

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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.