Home / 397,849.93-549,089.62-225,810.45

Finding the Fourth Proportional to 397,849.93, 549,089.62 and 225,810.45

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Solution

The fourth proportional to 397,849.93, 549,089.62 and 225,810.45 is: 311,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,849.93 : 549,089.62 = 225,810.45 : x
  2. Step 2: Convert to fraction form
    397,849.93/549,089.62 = 225,810.45/x
  3. Step 3: Cross multiply
    397,849.93x = 549,089.62 × 225,810.45
  4. Step 4: Simplify right side
    397,849.93x = 123,990,173,618.00
  5. Step 5: Solve for x
    x = 123,990,173,618.00/397,849.93
  6. Step 6: Final answer
    x = 311,650.61

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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.