Home / 319,924.74-480,182.31-162,263.91

Finding the Fourth Proportional to 319,924.74, 480,182.31 and 162,263.91

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Solution

The fourth proportional to 319,924.74, 480,182.31 and 162,263.91 is: 243,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,924.74 : 480,182.31 = 162,263.91 : x
  2. Step 2: Convert to fraction form
    319,924.74/480,182.31 = 162,263.91/x
  3. Step 3: Cross multiply
    319,924.74x = 480,182.31 × 162,263.91
  4. Step 4: Simplify right side
    319,924.74x = 77,916,259,133.43
  5. Step 5: Solve for x
    x = 77,916,259,133.43/319,924.74
  6. Step 6: Final answer
    x = 243,545.59

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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.