Home / 356,985.12-492,641.28-195,855.06

Finding the Fourth Proportional to 356,985.12, 492,641.28 and 195,855.06

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Solution

The fourth proportional to 356,985.12, 492,641.28 and 195,855.06 is: 270,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,985.12 : 492,641.28 = 195,855.06 : x
  2. Step 2: Convert to fraction form
    356,985.12/492,641.28 = 195,855.06/x
  3. Step 3: Cross multiply
    356,985.12x = 492,641.28 × 195,855.06
  4. Step 4: Simplify right side
    356,985.12x = 96,486,287,452.88
  5. Step 5: Solve for x
    x = 96,486,287,452.88/356,985.12
  6. Step 6: Final answer
    x = 270,280.98

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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.