Home / 347,267.20-520,929.60-110,603.20

Finding the Fourth Proportional to 347,267.20, 520,929.60 and 110,603.20

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Solution

The fourth proportional to 347,267.20, 520,929.60 and 110,603.20 is: 165,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,267.20 : 520,929.60 = 110,603.20 : x
  2. Step 2: Convert to fraction form
    347,267.20/520,929.60 = 110,603.20/x
  3. Step 3: Cross multiply
    347,267.20x = 520,929.60 × 110,603.20
  4. Step 4: Simplify right side
    347,267.20x = 57,616,480,734.72
  5. Step 5: Solve for x
    x = 57,616,480,734.72/347,267.20
  6. Step 6: Final answer
    x = 165,913.97

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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.