Home / 282,495.10-423,634.22-120,286.38

Finding the Fourth Proportional to 282,495.10, 423,634.22 and 120,286.38

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Solution

The fourth proportional to 282,495.10, 423,634.22 and 120,286.38 is: 180,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,495.10 : 423,634.22 = 120,286.38 : x
  2. Step 2: Convert to fraction form
    282,495.10/423,634.22 = 120,286.38/x
  3. Step 3: Cross multiply
    282,495.10x = 423,634.22 × 120,286.38
  4. Step 4: Simplify right side
    282,495.10x = 50,957,426,767.92
  5. Step 5: Solve for x
    x = 50,957,426,767.92/282,495.10
  6. Step 6: Final answer
    x = 180,383.40

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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.