Home / 243,865.32-336,586.77-148,402.77

Finding the Fourth Proportional to 243,865.32, 336,586.77 and 148,402.77

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Solution

The fourth proportional to 243,865.32, 336,586.77 and 148,402.77 is: 204,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,865.32 : 336,586.77 = 148,402.77 : x
  2. Step 2: Convert to fraction form
    243,865.32/336,586.77 = 148,402.77/x
  3. Step 3: Cross multiply
    243,865.32x = 336,586.77 × 148,402.77
  4. Step 4: Simplify right side
    243,865.32x = 49,950,409,013.35
  5. Step 5: Solve for x
    x = 49,950,409,013.35/243,865.32
  6. Step 6: Final answer
    x = 204,827.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.