Home / 346,301.20-519,500.40-109,619.20

Finding the Fourth Proportional to 346,301.20, 519,500.40 and 109,619.20

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Solution

The fourth proportional to 346,301.20, 519,500.40 and 109,619.20 is: 164,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,301.20 : 519,500.40 = 109,619.20 : x
  2. Step 2: Convert to fraction form
    346,301.20/519,500.40 = 109,619.20/x
  3. Step 3: Cross multiply
    346,301.20x = 519,500.40 × 109,619.20
  4. Step 4: Simplify right side
    346,301.20x = 56,947,218,247.68
  5. Step 5: Solve for x
    x = 56,947,218,247.68/346,301.20
  6. Step 6: Final answer
    x = 164,444.18

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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.