Home / 348,102.55-521,749.72-131,823.79

Finding the Fourth Proportional to 348,102.55, 521,749.72 and 131,823.79

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Solution

The fourth proportional to 348,102.55, 521,749.72 and 131,823.79 is: 197,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,102.55 : 521,749.72 = 131,823.79 : x
  2. Step 2: Convert to fraction form
    348,102.55/521,749.72 = 131,823.79/x
  3. Step 3: Cross multiply
    348,102.55x = 521,749.72 × 131,823.79
  4. Step 4: Simplify right side
    348,102.55x = 68,779,025,521.84
  5. Step 5: Solve for x
    x = 68,779,025,521.84/348,102.55
  6. Step 6: Final answer
    x = 197,582.65

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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.