Home / 356,231.80-534,364.30-198,341.33

Finding the Fourth Proportional to 356,231.80, 534,364.30 and 198,341.33

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Solution

The fourth proportional to 356,231.80, 534,364.30 and 198,341.33 is: 297,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,231.80 : 534,364.30 = 198,341.33 : x
  2. Step 2: Convert to fraction form
    356,231.80/534,364.30 = 198,341.33/x
  3. Step 3: Cross multiply
    356,231.80x = 534,364.30 × 198,341.33
  4. Step 4: Simplify right side
    356,231.80x = 105,986,525,966.52
  5. Step 5: Solve for x
    x = 105,986,525,966.52/356,231.80
  6. Step 6: Final answer
    x = 297,521.24

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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.