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Finding the Fourth Proportional to 207,374.16, 308,921.02 and 201,101.72

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Solution

The fourth proportional to 207,374.16, 308,921.02 and 201,101.72 is: 299,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,374.16 : 308,921.02 = 201,101.72 : x
  2. Step 2: Convert to fraction form
    207,374.16/308,921.02 = 201,101.72/x
  3. Step 3: Cross multiply
    207,374.16x = 308,921.02 × 201,101.72
  4. Step 4: Simplify right side
    207,374.16x = 62,124,548,466.15
  5. Step 5: Solve for x
    x = 62,124,548,466.15/207,374.16
  6. Step 6: Final answer
    x = 299,577.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.