Home / 346,858.20-520,287.30-180,624.60

Finding the Fourth Proportional to 346,858.20, 520,287.30 and 180,624.60

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Solution

The fourth proportional to 346,858.20, 520,287.30 and 180,624.60 is: 270,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,858.20 : 520,287.30 = 180,624.60 : x
  2. Step 2: Convert to fraction form
    346,858.20/520,287.30 = 180,624.60/x
  3. Step 3: Cross multiply
    346,858.20x = 520,287.30 × 180,624.60
  4. Step 4: Simplify right side
    346,858.20x = 93,976,685,447.58
  5. Step 5: Solve for x
    x = 93,976,685,447.58/346,858.20
  6. Step 6: Final answer
    x = 270,936.90

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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.