Home / 346,218.20-519,400.20-109,584.80

Finding the Fourth Proportional to 346,218.20, 519,400.20 and 109,584.80

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Solution

The fourth proportional to 346,218.20, 519,400.20 and 109,584.80 is: 164,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,218.20 : 519,400.20 = 109,584.80 : x
  2. Step 2: Convert to fraction form
    346,218.20/519,400.20 = 109,584.80/x
  3. Step 3: Cross multiply
    346,218.20x = 519,400.20 × 109,584.80
  4. Step 4: Simplify right side
    346,218.20x = 56,918,367,036.96
  5. Step 5: Solve for x
    x = 56,918,367,036.96/346,218.20
  6. Step 6: Final answer
    x = 164,400.27

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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.