Home / 466,119.81-643,264.47-262,180.20

Finding the Fourth Proportional to 466,119.81, 643,264.47 and 262,180.20

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Solution

The fourth proportional to 466,119.81, 643,264.47 and 262,180.20 is: 361,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,119.81 : 643,264.47 = 262,180.20 : x
  2. Step 2: Convert to fraction form
    466,119.81/643,264.47 = 262,180.20/x
  3. Step 3: Cross multiply
    466,119.81x = 643,264.47 × 262,180.20
  4. Step 4: Simplify right side
    466,119.81x = 168,651,207,397.49
  5. Step 5: Solve for x
    x = 168,651,207,397.49/466,119.81
  6. Step 6: Final answer
    x = 361,819.44

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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.