Home / 356,821.30-492,420.16-195,666.74

Finding the Fourth Proportional to 356,821.30, 492,420.16 and 195,666.74

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Solution

The fourth proportional to 356,821.30, 492,420.16 and 195,666.74 is: 270,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,821.30 : 492,420.16 = 195,666.74 : x
  2. Step 2: Convert to fraction form
    356,821.30/492,420.16 = 195,666.74/x
  3. Step 3: Cross multiply
    356,821.30x = 492,420.16 × 195,666.74
  4. Step 4: Simplify right side
    356,821.30x = 96,350,243,977.04
  5. Step 5: Solve for x
    x = 96,350,243,977.04/356,821.30
  6. Step 6: Final answer
    x = 270,023.81

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1.5x scale

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.