Home / 331,352.20-497,028.30-309,044.80

Finding the Fourth Proportional to 331,352.20, 497,028.30 and 309,044.80

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Solution

The fourth proportional to 331,352.20, 497,028.30 and 309,044.80 is: 463,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,352.20 : 497,028.30 = 309,044.80 : x
  2. Step 2: Convert to fraction form
    331,352.20/497,028.30 = 309,044.80/x
  3. Step 3: Cross multiply
    331,352.20x = 497,028.30 × 309,044.80
  4. Step 4: Simplify right side
    331,352.20x = 153,604,011,567.84
  5. Step 5: Solve for x
    x = 153,604,011,567.84/331,352.20
  6. Step 6: Final answer
    x = 463,567.20

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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.