Home / 291,828.90-437,648.58-111,904.86

Finding the Fourth Proportional to 291,828.90, 437,648.58 and 111,904.86

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Solution

The fourth proportional to 291,828.90, 437,648.58 and 111,904.86 is: 167,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,828.90 : 437,648.58 = 111,904.86 : x
  2. Step 2: Convert to fraction form
    291,828.90/437,648.58 = 111,904.86/x
  3. Step 3: Cross multiply
    291,828.90x = 437,648.58 × 111,904.86
  4. Step 4: Simplify right side
    291,828.90x = 48,975,003,074.10
  5. Step 5: Solve for x
    x = 48,975,003,074.10/291,828.90
  6. Step 6: Final answer
    x = 167,820.95

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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.