Home / 249,255.36-373,660.56-91,447.20

Finding the Fourth Proportional to 249,255.36, 373,660.56 and 91,447.20

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Solution

The fourth proportional to 249,255.36, 373,660.56 and 91,447.20 is: 137,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,255.36 : 373,660.56 = 91,447.20 : x
  2. Step 2: Convert to fraction form
    249,255.36/373,660.56 = 91,447.20/x
  3. Step 3: Cross multiply
    249,255.36x = 373,660.56 × 91,447.20
  4. Step 4: Simplify right side
    249,255.36x = 34,170,211,962.43
  5. Step 5: Solve for x
    x = 34,170,211,962.43/249,255.36
  6. Step 6: Final answer
    x = 137,089.18

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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.