Home / 400,056.40-552,069.48-218,766.28

Finding the Fourth Proportional to 400,056.40, 552,069.48 and 218,766.28

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Solution

The fourth proportional to 400,056.40, 552,069.48 and 218,766.28 is: 301,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,056.40 : 552,069.48 = 218,766.28 : x
  2. Step 2: Convert to fraction form
    400,056.40/552,069.48 = 218,766.28/x
  3. Step 3: Cross multiply
    400,056.40x = 552,069.48 × 218,766.28
  4. Step 4: Simplify right side
    400,056.40x = 120,774,186,441.13
  5. Step 5: Solve for x
    x = 120,774,186,441.13/400,056.40
  6. Step 6: Final answer
    x = 301,892.90

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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.