Home / 319,341.25-479,011.88-179,110.81

Finding the Fourth Proportional to 319,341.25, 479,011.88 and 179,110.81

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Solution

The fourth proportional to 319,341.25, 479,011.88 and 179,110.81 is: 268,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,341.25 : 479,011.88 = 179,110.81 : x
  2. Step 2: Convert to fraction form
    319,341.25/479,011.88 = 179,110.81/x
  3. Step 3: Cross multiply
    319,341.25x = 479,011.88 × 179,110.81
  4. Step 4: Simplify right side
    319,341.25x = 85,796,205,826.42
  5. Step 5: Solve for x
    x = 85,796,205,826.42/319,341.25
  6. Step 6: Final answer
    x = 268,666.22

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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.