Home / 385,596.02-578,282.97-132,866.30

Finding the Fourth Proportional to 385,596.02, 578,282.97 and 132,866.30

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Solution

The fourth proportional to 385,596.02, 578,282.97 and 132,866.30 is: 199,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,596.02 : 578,282.97 = 132,866.30 : x
  2. Step 2: Convert to fraction form
    385,596.02/578,282.97 = 132,866.30/x
  3. Step 3: Cross multiply
    385,596.02x = 578,282.97 × 132,866.30
  4. Step 4: Simplify right side
    385,596.02x = 76,834,318,576.91
  5. Step 5: Solve for x
    x = 76,834,318,576.91/385,596.02
  6. Step 6: Final answer
    x = 199,261.18

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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.