Home / 385,719.25-532,168.75-249,857.35

Finding the Fourth Proportional to 385,719.25, 532,168.75 and 249,857.35

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Solution

The fourth proportional to 385,719.25, 532,168.75 and 249,857.35 is: 344,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,719.25 : 532,168.75 = 249,857.35 : x
  2. Step 2: Convert to fraction form
    385,719.25/532,168.75 = 249,857.35/x
  3. Step 3: Cross multiply
    385,719.25x = 532,168.75 × 249,857.35
  4. Step 4: Simplify right side
    385,719.25x = 132,966,273,627.81
  5. Step 5: Solve for x
    x = 132,966,273,627.81/385,719.25
  6. Step 6: Final answer
    x = 344,722.94

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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.