Home / 389,649.47-583,957.51-200,102.18

Finding the Fourth Proportional to 389,649.47, 583,957.51 and 200,102.18

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Solution

The fourth proportional to 389,649.47, 583,957.51 and 200,102.18 is: 299,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,649.47 : 583,957.51 = 200,102.18 : x
  2. Step 2: Convert to fraction form
    389,649.47/583,957.51 = 200,102.18/x
  3. Step 3: Cross multiply
    389,649.47x = 583,957.51 × 200,102.18
  4. Step 4: Simplify right side
    389,649.47x = 116,851,167,358.33
  5. Step 5: Solve for x
    x = 116,851,167,358.33/389,649.47
  6. Step 6: Final answer
    x = 299,887.92

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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.