Home / 286,275.32-429,187.14-180,872.12

Finding the Fourth Proportional to 286,275.32, 429,187.14 and 180,872.12

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Solution

The fourth proportional to 286,275.32, 429,187.14 and 180,872.12 is: 271,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,275.32 : 429,187.14 = 180,872.12 : x
  2. Step 2: Convert to fraction form
    286,275.32/429,187.14 = 180,872.12/x
  3. Step 3: Cross multiply
    286,275.32x = 429,187.14 × 180,872.12
  4. Step 4: Simplify right side
    286,275.32x = 77,627,987,888.54
  5. Step 5: Solve for x
    x = 77,627,987,888.54/286,275.32
  6. Step 6: Final answer
    x = 271,165.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.