Home / 347,225.40-520,875-110,512.74

Finding the Fourth Proportional to 347,225.40, 520,875 and 110,512.74

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Solution

The fourth proportional to 347,225.40, 520,875 and 110,512.74 is: 165,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,225.40 : 520,875 = 110,512.74 : x
  2. Step 2: Convert to fraction form
    347,225.40/520,875 = 110,512.74/x
  3. Step 3: Cross multiply
    347,225.40x = 520,875 × 110,512.74
  4. Step 4: Simplify right side
    347,225.40x = 57,563,323,447.50
  5. Step 5: Solve for x
    x = 57,563,323,447.50/347,225.40
  6. Step 6: Final answer
    x = 165,780.85

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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.