Home / 249,651.25-374,155.20-217,500.09

Finding the Fourth Proportional to 249,651.25, 374,155.20 and 217,500.09

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Solution

The fourth proportional to 249,651.25, 374,155.20 and 217,500.09 is: 325,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,651.25 : 374,155.20 = 217,500.09 : x
  2. Step 2: Convert to fraction form
    249,651.25/374,155.20 = 217,500.09/x
  3. Step 3: Cross multiply
    249,651.25x = 374,155.20 × 217,500.09
  4. Step 4: Simplify right side
    249,651.25x = 81,378,788,270.89
  5. Step 5: Solve for x
    x = 81,378,788,270.89/249,651.25
  6. Step 6: Final answer
    x = 325,969.88

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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.