Home / 249,744.80-374,617.20-72,257.60

Finding the Fourth Proportional to 249,744.80, 374,617.20 and 72,257.60

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Solution

The fourth proportional to 249,744.80, 374,617.20 and 72,257.60 is: 108,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,744.80 : 374,617.20 = 72,257.60 : x
  2. Step 2: Convert to fraction form
    249,744.80/374,617.20 = 72,257.60/x
  3. Step 3: Cross multiply
    249,744.80x = 374,617.20 × 72,257.60
  4. Step 4: Simplify right side
    249,744.80x = 27,068,939,790.72
  5. Step 5: Solve for x
    x = 27,068,939,790.72/249,744.80
  6. Step 6: Final answer
    x = 108,386.40

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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.