Home / 356,966.18-492,617.13-195,821.54

Finding the Fourth Proportional to 356,966.18, 492,617.13 and 195,821.54

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Solution

The fourth proportional to 356,966.18, 492,617.13 and 195,821.54 is: 270,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,966.18 : 492,617.13 = 195,821.54 : x
  2. Step 2: Convert to fraction form
    356,966.18/492,617.13 = 195,821.54/x
  3. Step 3: Cross multiply
    356,966.18x = 492,617.13 × 195,821.54
  4. Step 4: Simplify right side
    356,966.18x = 96,465,045,026.98
  5. Step 5: Solve for x
    x = 96,465,045,026.98/356,966.18
  6. Step 6: Final answer
    x = 270,235.81

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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.