Home / 252,965.04-349,078.02-139,780.50

Finding the Fourth Proportional to 252,965.04, 349,078.02 and 139,780.50

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Solution

The fourth proportional to 252,965.04, 349,078.02 and 139,780.50 is: 192,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,965.04 : 349,078.02 = 139,780.50 : x
  2. Step 2: Convert to fraction form
    252,965.04/349,078.02 = 139,780.50/x
  3. Step 3: Cross multiply
    252,965.04x = 349,078.02 × 139,780.50
  4. Step 4: Simplify right side
    252,965.04x = 48,794,300,174.61
  5. Step 5: Solve for x
    x = 48,794,300,174.61/252,965.04
  6. Step 6: Final answer
    x = 192,889.50

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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.