Home / 342,972.60-514,977.30-264,175.80

Finding the Fourth Proportional to 342,972.60, 514,977.30 and 264,175.80

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Solution

The fourth proportional to 342,972.60, 514,977.30 and 264,175.80 is: 396,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,972.60 : 514,977.30 = 264,175.80 : x
  2. Step 2: Convert to fraction form
    342,972.60/514,977.30 = 264,175.80/x
  3. Step 3: Cross multiply
    342,972.60x = 514,977.30 × 264,175.80
  4. Step 4: Simplify right side
    342,972.60x = 136,044,540,209.34
  5. Step 5: Solve for x
    x = 136,044,540,209.34/342,972.60
  6. Step 6: Final answer
    x = 396,663.00

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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.