Home / 346,214.40-519,321.60-329,107.20

Finding the Fourth Proportional to 346,214.40, 519,321.60 and 329,107.20

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Solution

The fourth proportional to 346,214.40, 519,321.60 and 329,107.20 is: 493,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,214.40 : 519,321.60 = 329,107.20 : x
  2. Step 2: Convert to fraction form
    346,214.40/519,321.60 = 329,107.20/x
  3. Step 3: Cross multiply
    346,214.40x = 519,321.60 × 329,107.20
  4. Step 4: Simplify right side
    346,214.40x = 170,912,477,675.52
  5. Step 5: Solve for x
    x = 170,912,477,675.52/346,214.40
  6. Step 6: Final answer
    x = 493,660.80

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Similar ratio
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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.