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Finding the Fourth Proportional to 249,910.40, 374,865.60 and 225,804.80

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Solution

The fourth proportional to 249,910.40, 374,865.60 and 225,804.80 is: 338,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,910.40 : 374,865.60 = 225,804.80 : x
  2. Step 2: Convert to fraction form
    249,910.40/374,865.60 = 225,804.80/x
  3. Step 3: Cross multiply
    249,910.40x = 374,865.60 × 225,804.80
  4. Step 4: Simplify right side
    249,910.40x = 84,646,451,834.88
  5. Step 5: Solve for x
    x = 84,646,451,834.88/249,910.40
  6. Step 6: Final answer
    x = 338,707.20

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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.