Home / 445,725.33-615,089.88-249,489.06

Finding the Fourth Proportional to 445,725.33, 615,089.88 and 249,489.06

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Solution

The fourth proportional to 445,725.33, 615,089.88 and 249,489.06 is: 344,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,725.33 : 615,089.88 = 249,489.06 : x
  2. Step 2: Convert to fraction form
    445,725.33/615,089.88 = 249,489.06/x
  3. Step 3: Cross multiply
    445,725.33x = 615,089.88 × 249,489.06
  4. Step 4: Simplify right side
    445,725.33x = 153,458,195,976.71
  5. Step 5: Solve for x
    x = 153,458,195,976.71/445,725.33
  6. Step 6: Final answer
    x = 344,288.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.