Home / 439,938.24-659,907.12-159,455.04

Finding the Fourth Proportional to 439,938.24, 659,907.12 and 159,455.04

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Solution

The fourth proportional to 439,938.24, 659,907.12 and 159,455.04 is: 239,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,938.24 : 659,907.12 = 159,455.04 : x
  2. Step 2: Convert to fraction form
    439,938.24/659,907.12 = 159,455.04/x
  3. Step 3: Cross multiply
    439,938.24x = 659,907.12 × 159,455.04
  4. Step 4: Simplify right side
    439,938.24x = 105,225,516,215.89
  5. Step 5: Solve for x
    x = 105,225,516,215.89/439,938.24
  6. Step 6: Final answer
    x = 239,182.47

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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.