Home / 311,267.09-429,549.39-182,182.16

Finding the Fourth Proportional to 311,267.09, 429,549.39 and 182,182.16

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Solution

The fourth proportional to 311,267.09, 429,549.39 and 182,182.16 is: 251,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,267.09 : 429,549.39 = 182,182.16 : x
  2. Step 2: Convert to fraction form
    311,267.09/429,549.39 = 182,182.16/x
  3. Step 3: Cross multiply
    311,267.09x = 429,549.39 × 182,182.16
  4. Step 4: Simplify right side
    311,267.09x = 78,256,233,549.14
  5. Step 5: Solve for x
    x = 78,256,233,549.14/311,267.09
  6. Step 6: Final answer
    x = 251,411.85

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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.