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Finding the Fourth Proportional to 277,407.17, 383,213.81 and 220,746.05

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Solution

The fourth proportional to 277,407.17, 383,213.81 and 220,746.05 is: 304,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,407.17 : 383,213.81 = 220,746.05 : x
  2. Step 2: Convert to fraction form
    277,407.17/383,213.81 = 220,746.05/x
  3. Step 3: Cross multiply
    277,407.17x = 383,213.81 × 220,746.05
  4. Step 4: Simplify right side
    277,407.17x = 84,592,933,759.22
  5. Step 5: Solve for x
    x = 84,592,933,759.22/277,407.17
  6. Step 6: Final answer
    x = 304,941.41

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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.