Home / 397,982.00-549,225-216,703.85

Finding the Fourth Proportional to 397,982.00, 549,225 and 216,703.85

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Solution

The fourth proportional to 397,982.00, 549,225 and 216,703.85 is: 299,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,982.00 : 549,225 = 216,703.85 : x
  2. Step 2: Convert to fraction form
    397,982.00/549,225 = 216,703.85/x
  3. Step 3: Cross multiply
    397,982.00x = 549,225 × 216,703.85
  4. Step 4: Simplify right side
    397,982.00x = 119,019,169,270.13
  5. Step 5: Solve for x
    x = 119,019,169,270.13/397,982.00
  6. Step 6: Final answer
    x = 299,056.66

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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.