Home / 277,129.30-415,509.36-99,613.24

Finding the Fourth Proportional to 277,129.30, 415,509.36 and 99,613.24

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Solution

The fourth proportional to 277,129.30, 415,509.36 and 99,613.24 is: 149,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,129.30 : 415,509.36 = 99,613.24 : x
  2. Step 2: Convert to fraction form
    277,129.30/415,509.36 = 99,613.24/x
  3. Step 3: Cross multiply
    277,129.30x = 415,509.36 × 99,613.24
  4. Step 4: Simplify right side
    277,129.30x = 41,390,235,295.29
  5. Step 5: Solve for x
    x = 41,390,235,295.29/277,129.30
  6. Step 6: Final answer
    x = 149,353.52

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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.