Home / 279,518.13-385,735.95-152,194.50

Finding the Fourth Proportional to 279,518.13, 385,735.95 and 152,194.50

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Solution

The fourth proportional to 279,518.13, 385,735.95 and 152,194.50 is: 210,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,518.13 : 385,735.95 = 152,194.50 : x
  2. Step 2: Convert to fraction form
    279,518.13/385,735.95 = 152,194.50/x
  3. Step 3: Cross multiply
    279,518.13x = 385,735.95 × 152,194.50
  4. Step 4: Simplify right side
    279,518.13x = 58,706,890,042.28
  5. Step 5: Solve for x
    x = 58,706,890,042.28/279,518.13
  6. Step 6: Final answer
    x = 210,028.92

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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.