Home / 277,200.15-415,636.20-144,339.90

Finding the Fourth Proportional to 277,200.15, 415,636.20 and 144,339.90

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Solution

The fourth proportional to 277,200.15, 415,636.20 and 144,339.90 is: 216,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,200.15 : 415,636.20 = 144,339.90 : x
  2. Step 2: Convert to fraction form
    277,200.15/415,636.20 = 144,339.90/x
  3. Step 3: Cross multiply
    277,200.15x = 415,636.20 × 144,339.90
  4. Step 4: Simplify right side
    277,200.15x = 59,992,887,544.38
  5. Step 5: Solve for x
    x = 59,992,887,544.38/277,200.15
  6. Step 6: Final answer
    x = 216,424.44

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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.