Home / 249,621.80-374,434.30-99,874.60

Finding the Fourth Proportional to 249,621.80, 374,434.30 and 99,874.60

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Solution

The fourth proportional to 249,621.80, 374,434.30 and 99,874.60 is: 149,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621.80 : 374,434.30 = 99,874.60 : x
  2. Step 2: Convert to fraction form
    249,621.80/374,434.30 = 99,874.60/x
  3. Step 3: Cross multiply
    249,621.80x = 374,434.30 × 99,874.60
  4. Step 4: Simplify right side
    249,621.80x = 37,396,475,938.78
  5. Step 5: Solve for x
    x = 37,396,475,938.78/249,621.80
  6. Step 6: Final answer
    x = 149,812.54

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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.