Home / 665,259.65-997,921.59-185,486.52

Finding the Fourth Proportional to 665,259.65, 997,921.59 and 185,486.52

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Solution

The fourth proportional to 665,259.65, 997,921.59 and 185,486.52 is: 278,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,259.65 : 997,921.59 = 185,486.52 : x
  2. Step 2: Convert to fraction form
    665,259.65/997,921.59 = 185,486.52/x
  3. Step 3: Cross multiply
    665,259.65x = 997,921.59 × 185,486.52
  4. Step 4: Simplify right side
    665,259.65x = 185,101,002,961.97
  5. Step 5: Solve for x
    x = 185,101,002,961.97/665,259.65
  6. Step 6: Final answer
    x = 278,238.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.