Home / 279,355.12-385,510.08-152,027.92

Finding the Fourth Proportional to 279,355.12, 385,510.08 and 152,027.92

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Solution

The fourth proportional to 279,355.12, 385,510.08 and 152,027.92 is: 209,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,355.12 : 385,510.08 = 152,027.92 : x
  2. Step 2: Convert to fraction form
    279,355.12/385,510.08 = 152,027.92/x
  3. Step 3: Cross multiply
    279,355.12x = 385,510.08 × 152,027.92
  4. Step 4: Simplify right side
    279,355.12x = 58,608,295,601.43
  5. Step 5: Solve for x
    x = 58,608,295,601.43/279,355.12
  6. Step 6: Final answer
    x = 209,798.54

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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.