Home / 384,952.40-531,237.78-212,882.04

Finding the Fourth Proportional to 384,952.40, 531,237.78 and 212,882.04

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Solution

The fourth proportional to 384,952.40, 531,237.78 and 212,882.04 is: 293,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,952.40 : 531,237.78 = 212,882.04 : x
  2. Step 2: Convert to fraction form
    384,952.40/531,237.78 = 212,882.04/x
  3. Step 3: Cross multiply
    384,952.40x = 531,237.78 × 212,882.04
  4. Step 4: Simplify right side
    384,952.40x = 113,090,979,790.94
  5. Step 5: Solve for x
    x = 113,090,979,790.94/384,952.40
  6. Step 6: Final answer
    x = 293,779.13

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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.