Home / 486,265.20-729,324.84-153,798

Finding the Fourth Proportional to 486,265.20, 729,324.84 and 153,798

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Solution

The fourth proportional to 486,265.20, 729,324.84 and 153,798 is: 230,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,265.20 : 729,324.84 = 153,798 : x
  2. Step 2: Convert to fraction form
    486,265.20/729,324.84 = 153,798/x
  3. Step 3: Cross multiply
    486,265.20x = 729,324.84 × 153,798
  4. Step 4: Simplify right side
    486,265.20x = 112,168,701,742.32
  5. Step 5: Solve for x
    x = 112,168,701,742.32/486,265.20
  6. Step 6: Final answer
    x = 230,673.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.