Home / 270,853.72-373,779.18-149,992.36

Finding the Fourth Proportional to 270,853.72, 373,779.18 and 149,992.36

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Solution

The fourth proportional to 270,853.72, 373,779.18 and 149,992.36 is: 206,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,853.72 : 373,779.18 = 149,992.36 : x
  2. Step 2: Convert to fraction form
    270,853.72/373,779.18 = 149,992.36/x
  3. Step 3: Cross multiply
    270,853.72x = 373,779.18 × 149,992.36
  4. Step 4: Simplify right side
    270,853.72x = 56,064,021,327.06
  5. Step 5: Solve for x
    x = 56,064,021,327.06/270,853.72
  6. Step 6: Final answer
    x = 206,990.04

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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.