Home / 252,928.56-349,040.70-139,750.50

Finding the Fourth Proportional to 252,928.56, 349,040.70 and 139,750.50

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Solution

The fourth proportional to 252,928.56, 349,040.70 and 139,750.50 is: 192,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,928.56 : 349,040.70 = 139,750.50 : x
  2. Step 2: Convert to fraction form
    252,928.56/349,040.70 = 139,750.50/x
  3. Step 3: Cross multiply
    252,928.56x = 349,040.70 × 139,750.50
  4. Step 4: Simplify right side
    252,928.56x = 48,778,612,345.35
  5. Step 5: Solve for x
    x = 48,778,612,345.35/252,928.56
  6. Step 6: Final answer
    x = 192,855.30

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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.