Home / 385,731.05-532,193.69-249,549.28

Finding the Fourth Proportional to 385,731.05, 532,193.69 and 249,549.28

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Solution

The fourth proportional to 385,731.05, 532,193.69 and 249,549.28 is: 344,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,731.05 : 532,193.69 = 249,549.28 : x
  2. Step 2: Convert to fraction form
    385,731.05/532,193.69 = 249,549.28/x
  3. Step 3: Cross multiply
    385,731.05x = 532,193.69 × 249,549.28
  4. Step 4: Simplify right side
    385,731.05x = 132,808,551,453.43
  5. Step 5: Solve for x
    x = 132,808,551,453.43/385,731.05
  6. Step 6: Final answer
    x = 344,303.51

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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.