Home / 279,943.48-386,326.02-152,625.52

Finding the Fourth Proportional to 279,943.48, 386,326.02 and 152,625.52

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Solution

The fourth proportional to 279,943.48, 386,326.02 and 152,625.52 is: 210,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,943.48 : 386,326.02 = 152,625.52 : x
  2. Step 2: Convert to fraction form
    279,943.48/386,326.02 = 152,625.52/x
  3. Step 3: Cross multiply
    279,943.48x = 386,326.02 × 152,625.52
  4. Step 4: Simplify right side
    279,943.48x = 58,963,209,692.03
  5. Step 5: Solve for x
    x = 58,963,209,692.03/279,943.48
  6. Step 6: Final answer
    x = 210,625.41

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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.