Home / 346,743.80-520,156.20-110,110.40

Finding the Fourth Proportional to 346,743.80, 520,156.20 and 110,110.40

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Solution

The fourth proportional to 346,743.80, 520,156.20 and 110,110.40 is: 165,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,743.80 : 520,156.20 = 110,110.40 : x
  2. Step 2: Convert to fraction form
    346,743.80/520,156.20 = 110,110.40/x
  3. Step 3: Cross multiply
    346,743.80x = 520,156.20 × 110,110.40
  4. Step 4: Simplify right side
    346,743.80x = 57,274,607,244.48
  5. Step 5: Solve for x
    x = 57,274,607,244.48/346,743.80
  6. Step 6: Final answer
    x = 165,178.46

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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.