Home / 319,899.17-480,144.00-162,238.34

Finding the Fourth Proportional to 319,899.17, 480,144.00 and 162,238.34

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Solution

The fourth proportional to 319,899.17, 480,144.00 and 162,238.34 is: 243,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,899.17 : 480,144.00 = 162,238.34 : x
  2. Step 2: Convert to fraction form
    319,899.17/480,144.00 = 162,238.34/x
  3. Step 3: Cross multiply
    319,899.17x = 480,144.00 × 162,238.34
  4. Step 4: Simplify right side
    319,899.17x = 77,897,767,329.71
  5. Step 5: Solve for x
    x = 77,897,767,329.71/319,899.17
  6. Step 6: Final answer
    x = 243,507.25

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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.