Home / 346,735.80-520,144.20-110,102.40

Finding the Fourth Proportional to 346,735.80, 520,144.20 and 110,102.40

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Solution

The fourth proportional to 346,735.80, 520,144.20 and 110,102.40 is: 165,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,735.80 : 520,144.20 = 110,102.40 : x
  2. Step 2: Convert to fraction form
    346,735.80/520,144.20 = 110,102.40/x
  3. Step 3: Cross multiply
    346,735.80x = 520,144.20 × 110,102.40
  4. Step 4: Simplify right side
    346,735.80x = 57,269,124,766.08
  5. Step 5: Solve for x
    x = 57,269,124,766.08/346,735.80
  6. Step 6: Final answer
    x = 165,166.46

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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.