Home / 356,729.18-492,280.65-195,585.62

Finding the Fourth Proportional to 356,729.18, 492,280.65 and 195,585.62

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Solution

The fourth proportional to 356,729.18, 492,280.65 and 195,585.62 is: 269,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,729.18 : 492,280.65 = 195,585.62 : x
  2. Step 2: Convert to fraction form
    356,729.18/492,280.65 = 195,585.62/x
  3. Step 3: Cross multiply
    356,729.18x = 492,280.65 × 195,585.62
  4. Step 4: Simplify right side
    356,729.18x = 96,283,016,144.25
  5. Step 5: Solve for x
    x = 96,283,016,144.25/356,729.18
  6. Step 6: Final answer
    x = 269,905.08

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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.