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Finding the Fourth Proportional to 457,230.39, 630,977.84 and 253,294.51

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Solution

The fourth proportional to 457,230.39, 630,977.84 and 253,294.51 is: 349,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,230.39 : 630,977.84 = 253,294.51 : x
  2. Step 2: Convert to fraction form
    457,230.39/630,977.84 = 253,294.51/x
  3. Step 3: Cross multiply
    457,230.39x = 630,977.84 × 253,294.51
  4. Step 4: Simplify right side
    457,230.39x = 159,823,221,537.19
  5. Step 5: Solve for x
    x = 159,823,221,537.19/457,230.39
  6. Step 6: Final answer
    x = 349,546.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.