Home / 240,244.85-361,022.01-128,005.28

Finding the Fourth Proportional to 240,244.85, 361,022.01 and 128,005.28

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Solution

The fourth proportional to 240,244.85, 361,022.01 and 128,005.28 is: 192,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,244.85 : 361,022.01 = 128,005.28 : x
  2. Step 2: Convert to fraction form
    240,244.85/361,022.01 = 128,005.28/x
  3. Step 3: Cross multiply
    240,244.85x = 361,022.01 × 128,005.28
  4. Step 4: Simplify right side
    240,244.85x = 46,212,723,264.95
  5. Step 5: Solve for x
    x = 46,212,723,264.95/240,244.85
  6. Step 6: Final answer
    x = 192,356.77

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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.