Home / 409,320.93-613,967.52-124,999.98

Finding the Fourth Proportional to 409,320.93, 613,967.52 and 124,999.98

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Solution

The fourth proportional to 409,320.93, 613,967.52 and 124,999.98 is: 187,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,320.93 : 613,967.52 = 124,999.98 : x
  2. Step 2: Convert to fraction form
    409,320.93/613,967.52 = 124,999.98/x
  3. Step 3: Cross multiply
    409,320.93x = 613,967.52 × 124,999.98
  4. Step 4: Simplify right side
    409,320.93x = 76,745,927,720.65
  5. Step 5: Solve for x
    x = 76,745,927,720.65/409,320.93
  6. Step 6: Final answer
    x = 187,495.73

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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.