Home / 357,808.12-493,779.04-194,464.66

Finding the Fourth Proportional to 357,808.12, 493,779.04 and 194,464.66

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Solution

The fourth proportional to 357,808.12, 493,779.04 and 194,464.66 is: 268,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,808.12 : 493,779.04 = 194,464.66 : x
  2. Step 2: Convert to fraction form
    357,808.12/493,779.04 = 194,464.66/x
  3. Step 3: Cross multiply
    357,808.12x = 493,779.04 × 194,464.66
  4. Step 4: Simplify right side
    357,808.12x = 96,022,573,028.33
  5. Step 5: Solve for x
    x = 96,022,573,028.33/357,808.12
  6. Step 6: Final answer
    x = 268,363.31

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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.