Home / 353,570.24-487,917.52-192,421.80

Finding the Fourth Proportional to 353,570.24, 487,917.52 and 192,421.80

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Solution

The fourth proportional to 353,570.24, 487,917.52 and 192,421.80 is: 265,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,570.24 : 487,917.52 = 192,421.80 : x
  2. Step 2: Convert to fraction form
    353,570.24/487,917.52 = 192,421.80/x
  3. Step 3: Cross multiply
    353,570.24x = 487,917.52 × 192,421.80
  4. Step 4: Simplify right side
    353,570.24x = 93,885,967,449.94
  5. Step 5: Solve for x
    x = 93,885,967,449.94/353,570.24
  6. Step 6: Final answer
    x = 265,536.96

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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.