Home / 346,380.20-519,084.30-275,424.20

Finding the Fourth Proportional to 346,380.20, 519,084.30 and 275,424.20

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Solution

The fourth proportional to 346,380.20, 519,084.30 and 275,424.20 is: 412,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,380.20 : 519,084.30 = 275,424.20 : x
  2. Step 2: Convert to fraction form
    346,380.20/519,084.30 = 275,424.20/x
  3. Step 3: Cross multiply
    346,380.20x = 519,084.30 × 275,424.20
  4. Step 4: Simplify right side
    346,380.20x = 142,968,378,060.06
  5. Step 5: Solve for x
    x = 142,968,378,060.06/346,380.20
  6. Step 6: Final answer
    x = 412,749.86

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1.5x scale

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.