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Finding the Fourth Proportional to 364,599.98, 546,954.66 and 127,900.97

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Solution

The fourth proportional to 364,599.98, 546,954.66 and 127,900.97 is: 191,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,599.98 : 546,954.66 = 127,900.97 : x
  2. Step 2: Convert to fraction form
    364,599.98/546,954.66 = 127,900.97/x
  3. Step 3: Cross multiply
    364,599.98x = 546,954.66 × 127,900.97
  4. Step 4: Simplify right side
    364,599.98x = 69,956,028,825.25
  5. Step 5: Solve for x
    x = 69,956,028,825.25/364,599.98
  6. Step 6: Final answer
    x = 191,870.64

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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.