Home / 397,346.98-548,331.06-216,057.32

Finding the Fourth Proportional to 397,346.98, 548,331.06 and 216,057.32

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Solution

The fourth proportional to 397,346.98, 548,331.06 and 216,057.32 is: 298,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,346.98 : 548,331.06 = 216,057.32 : x
  2. Step 2: Convert to fraction form
    397,346.98/548,331.06 = 216,057.32/x
  3. Step 3: Cross multiply
    397,346.98x = 548,331.06 × 216,057.32
  4. Step 4: Simplify right side
    397,346.98x = 118,470,939,296.36
  5. Step 5: Solve for x
    x = 118,470,939,296.36/397,346.98
  6. Step 6: Final answer
    x = 298,154.88

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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.