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Finding the Fourth Proportional to 316,101.88, 436,021.14 and 220,573.72

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Solution

The fourth proportional to 316,101.88, 436,021.14 and 220,573.72 is: 304,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,101.88 : 436,021.14 = 220,573.72 : x
  2. Step 2: Convert to fraction form
    316,101.88/436,021.14 = 220,573.72/x
  3. Step 3: Cross multiply
    316,101.88x = 436,021.14 × 220,573.72
  4. Step 4: Simplify right side
    316,101.88x = 96,174,804,848.44
  5. Step 5: Solve for x
    x = 96,174,804,848.44/316,101.88
  6. Step 6: Final answer
    x = 304,252.56

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1.5x scale

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.