Home / 298,044.24-411,284.43-170,728.04

Finding the Fourth Proportional to 298,044.24, 411,284.43 and 170,728.04

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Solution

The fourth proportional to 298,044.24, 411,284.43 and 170,728.04 is: 235,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,044.24 : 411,284.43 = 170,728.04 : x
  2. Step 2: Convert to fraction form
    298,044.24/411,284.43 = 170,728.04/x
  3. Step 3: Cross multiply
    298,044.24x = 411,284.43 × 170,728.04
  4. Step 4: Simplify right side
    298,044.24x = 70,217,782,560.00
  5. Step 5: Solve for x
    x = 70,217,782,560.00/298,044.24
  6. Step 6: Final answer
    x = 235,595.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.