Home / 345,965.02-518,984.45-146,305.59

Finding the Fourth Proportional to 345,965.02, 518,984.45 and 146,305.59

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Solution

The fourth proportional to 345,965.02, 518,984.45 and 146,305.59 is: 219,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,965.02 : 518,984.45 = 146,305.59 : x
  2. Step 2: Convert to fraction form
    345,965.02/518,984.45 = 146,305.59/x
  3. Step 3: Cross multiply
    345,965.02x = 518,984.45 × 146,305.59
  4. Step 4: Simplify right side
    345,965.02x = 75,930,326,523.84
  5. Step 5: Solve for x
    x = 75,930,326,523.84/345,965.02
  6. Step 6: Final answer
    x = 219,474.00

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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.