Home / 249,918.40-374,877.60-225,812.80

Finding the Fourth Proportional to 249,918.40, 374,877.60 and 225,812.80

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Solution

The fourth proportional to 249,918.40, 374,877.60 and 225,812.80 is: 338,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,918.40 : 374,877.60 = 225,812.80 : x
  2. Step 2: Convert to fraction form
    249,918.40/374,877.60 = 225,812.80/x
  3. Step 3: Cross multiply
    249,918.40x = 374,877.60 × 225,812.80
  4. Step 4: Simplify right side
    249,918.40x = 84,652,160,513.28
  5. Step 5: Solve for x
    x = 84,652,160,513.28/249,918.40
  6. Step 6: Final answer
    x = 338,719.20

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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.