Home / 279,225.06-385,339.23-158,371.26

Finding the Fourth Proportional to 279,225.06, 385,339.23 and 158,371.26

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Solution

The fourth proportional to 279,225.06, 385,339.23 and 158,371.26 is: 218,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,225.06 : 385,339.23 = 158,371.26 : x
  2. Step 2: Convert to fraction form
    279,225.06/385,339.23 = 158,371.26/x
  3. Step 3: Cross multiply
    279,225.06x = 385,339.23 × 158,371.26
  4. Step 4: Simplify right side
    279,225.06x = 61,026,659,382.53
  5. Step 5: Solve for x
    x = 61,026,659,382.53/279,225.06
  6. Step 6: Final answer
    x = 218,557.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.