Home / 397,473.07-548,484.60-216,181.30

Finding the Fourth Proportional to 397,473.07, 548,484.60 and 216,181.30

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Solution

The fourth proportional to 397,473.07, 548,484.60 and 216,181.30 is: 298,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,473.07 : 548,484.60 = 216,181.30 : x
  2. Step 2: Convert to fraction form
    397,473.07/548,484.60 = 216,181.30/x
  3. Step 3: Cross multiply
    397,473.07x = 548,484.60 × 216,181.30
  4. Step 4: Simplify right side
    397,473.07x = 118,572,113,857.98
  5. Step 5: Solve for x
    x = 118,572,113,857.98/397,473.07
  6. Step 6: Final answer
    x = 298,314.84

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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.