Home / 369,736.57-554,604.85-120,418.57

Finding the Fourth Proportional to 369,736.57, 554,604.85 and 120,418.57

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Solution

The fourth proportional to 369,736.57, 554,604.85 and 120,418.57 is: 180,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,736.57 : 554,604.85 = 120,418.57 : x
  2. Step 2: Convert to fraction form
    369,736.57/554,604.85 = 120,418.57/x
  3. Step 3: Cross multiply
    369,736.57x = 554,604.85 × 120,418.57
  4. Step 4: Simplify right side
    369,736.57x = 66,784,720,179.04
  5. Step 5: Solve for x
    x = 66,784,720,179.04/369,736.57
  6. Step 6: Final answer
    x = 180,627.85

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1.5x scale

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.