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Finding the Fourth Proportional to 335,464.05, 503,305.43 and 157,989

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Solution

The fourth proportional to 335,464.05, 503,305.43 and 157,989 is: 237,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,464.05 : 503,305.43 = 157,989 : x
  2. Step 2: Convert to fraction form
    335,464.05/503,305.43 = 157,989/x
  3. Step 3: Cross multiply
    335,464.05x = 503,305.43 × 157,989
  4. Step 4: Simplify right side
    335,464.05x = 79,516,721,580.27
  5. Step 5: Solve for x
    x = 79,516,721,580.27/335,464.05
  6. Step 6: Final answer
    x = 237,035.00

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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.