Home / 346,416.20-519,138.30-275,460.20

Finding the Fourth Proportional to 346,416.20, 519,138.30 and 275,460.20

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Solution

The fourth proportional to 346,416.20, 519,138.30 and 275,460.20 is: 412,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,416.20 : 519,138.30 = 275,460.20 : x
  2. Step 2: Convert to fraction form
    346,416.20/519,138.30 = 275,460.20/x
  3. Step 3: Cross multiply
    346,416.20x = 519,138.30 × 275,460.20
  4. Step 4: Simplify right side
    346,416.20x = 143,001,939,945.66
  5. Step 5: Solve for x
    x = 143,001,939,945.66/346,416.20
  6. Step 6: Final answer
    x = 412,803.85

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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.