Home / 400,850.16-553,264.26-249,918

Finding the Fourth Proportional to 400,850.16, 553,264.26 and 249,918

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Solution

The fourth proportional to 400,850.16, 553,264.26 and 249,918 is: 344,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,850.16 : 553,264.26 = 249,918 : x
  2. Step 2: Convert to fraction form
    400,850.16/553,264.26 = 249,918/x
  3. Step 3: Cross multiply
    400,850.16x = 553,264.26 × 249,918
  4. Step 4: Simplify right side
    400,850.16x = 138,270,697,330.68
  5. Step 5: Solve for x
    x = 138,270,697,330.68/400,850.16
  6. Step 6: Final answer
    x = 344,943.60

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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.