Home / 286,227.18-429,537.62-99,238.68

Finding the Fourth Proportional to 286,227.18, 429,537.62 and 99,238.68

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Solution

The fourth proportional to 286,227.18, 429,537.62 and 99,238.68 is: 148,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,227.18 : 429,537.62 = 99,238.68 : x
  2. Step 2: Convert to fraction form
    286,227.18/429,537.62 = 99,238.68/x
  3. Step 3: Cross multiply
    286,227.18x = 429,537.62 × 99,238.68
  4. Step 4: Simplify right side
    286,227.18x = 42,626,746,419.14
  5. Step 5: Solve for x
    x = 42,626,746,419.14/286,227.18
  6. Step 6: Final answer
    x = 148,926.27

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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.