Home / 380,380.07-569,664.48-220,118.16

Finding the Fourth Proportional to 380,380.07, 569,664.48 and 220,118.16

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Solution

The fourth proportional to 380,380.07, 569,664.48 and 220,118.16 is: 329,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,380.07 : 569,664.48 = 220,118.16 : x
  2. Step 2: Convert to fraction form
    380,380.07/569,664.48 = 220,118.16/x
  3. Step 3: Cross multiply
    380,380.07x = 569,664.48 × 220,118.16
  4. Step 4: Simplify right side
    380,380.07x = 125,393,495,674.11
  5. Step 5: Solve for x
    x = 125,393,495,674.11/380,380.07
  6. Step 6: Final answer
    x = 329,653.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.