Home / 385,720.25-532,170.13-249,858.35

Finding the Fourth Proportional to 385,720.25, 532,170.13 and 249,858.35

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Solution

The fourth proportional to 385,720.25, 532,170.13 and 249,858.35 is: 344,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,720.25 : 532,170.13 = 249,858.35 : x
  2. Step 2: Convert to fraction form
    385,720.25/532,170.13 = 249,858.35/x
  3. Step 3: Cross multiply
    385,720.25x = 532,170.13 × 249,858.35
  4. Step 4: Simplify right side
    385,720.25x = 132,967,150,601.09
  5. Step 5: Solve for x
    x = 132,967,150,601.09/385,720.25
  6. Step 6: Final answer
    x = 344,724.32

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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.