Home / 286,522.24-429,869.31-115,656.04

Finding the Fourth Proportional to 286,522.24, 429,869.31 and 115,656.04

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Solution

The fourth proportional to 286,522.24, 429,869.31 and 115,656.04 is: 173,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,522.24 : 429,869.31 = 115,656.04 : x
  2. Step 2: Convert to fraction form
    286,522.24/429,869.31 = 115,656.04/x
  3. Step 3: Cross multiply
    286,522.24x = 429,869.31 × 115,656.04
  4. Step 4: Simplify right side
    286,522.24x = 49,716,982,112.13
  5. Step 5: Solve for x
    x = 49,716,982,112.13/286,522.24
  6. Step 6: Final answer
    x = 173,518.75

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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.