Home / 385,887.33-578,887.02-119,669.31

Finding the Fourth Proportional to 385,887.33, 578,887.02 and 119,669.31

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Solution

The fourth proportional to 385,887.33, 578,887.02 and 119,669.31 is: 179,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,887.33 : 578,887.02 = 119,669.31 : x
  2. Step 2: Convert to fraction form
    385,887.33/578,887.02 = 119,669.31/x
  3. Step 3: Cross multiply
    385,887.33x = 578,887.02 × 119,669.31
  4. Step 4: Simplify right side
    385,887.33x = 69,275,010,251.36
  5. Step 5: Solve for x
    x = 69,275,010,251.36/385,887.33
  6. Step 6: Final answer
    x = 179,521.34

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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.