Home / 279,488.29-419,232.56-89,948.63

Finding the Fourth Proportional to 279,488.29, 419,232.56 and 89,948.63

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Solution

The fourth proportional to 279,488.29, 419,232.56 and 89,948.63 is: 134,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,488.29 : 419,232.56 = 89,948.63 : x
  2. Step 2: Convert to fraction form
    279,488.29/419,232.56 = 89,948.63/x
  3. Step 3: Cross multiply
    279,488.29x = 419,232.56 × 89,948.63
  4. Step 4: Simplify right side
    279,488.29x = 37,709,393,169.51
  5. Step 5: Solve for x
    x = 37,709,393,169.51/279,488.29
  6. Step 6: Final answer
    x = 134,922.98

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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.