Home / 286,273.40-429,410.10-271,839.20

Finding the Fourth Proportional to 286,273.40, 429,410.10 and 271,839.20

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Solution

The fourth proportional to 286,273.40, 429,410.10 and 271,839.20 is: 407,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,273.40 : 429,410.10 = 271,839.20 : x
  2. Step 2: Convert to fraction form
    286,273.40/429,410.10 = 271,839.20/x
  3. Step 3: Cross multiply
    286,273.40x = 429,410.10 × 271,839.20
  4. Step 4: Simplify right side
    286,273.40x = 116,730,498,055.92
  5. Step 5: Solve for x
    x = 116,730,498,055.92/286,273.40
  6. Step 6: Final answer
    x = 407,758.80

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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.