Home / 385,966.81-579,006.03-146,015.65

Finding the Fourth Proportional to 385,966.81, 579,006.03 and 146,015.65

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Solution

The fourth proportional to 385,966.81, 579,006.03 and 146,015.65 is: 219,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,966.81 : 579,006.03 = 146,015.65 : x
  2. Step 2: Convert to fraction form
    385,966.81/579,006.03 = 146,015.65/x
  3. Step 3: Cross multiply
    385,966.81x = 579,006.03 × 146,015.65
  4. Step 4: Simplify right side
    385,966.81x = 84,543,941,824.37
  5. Step 5: Solve for x
    x = 84,543,941,824.37/385,966.81
  6. Step 6: Final answer
    x = 219,044.59

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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.