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Finding the Fourth Proportional to 253,025.15, 349,174.40 and 138,304.53

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Solution

The fourth proportional to 253,025.15, 349,174.40 and 138,304.53 is: 190,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,025.15 : 349,174.40 = 138,304.53 : x
  2. Step 2: Convert to fraction form
    253,025.15/349,174.40 = 138,304.53/x
  3. Step 3: Cross multiply
    253,025.15x = 349,174.40 × 138,304.53
  4. Step 4: Simplify right side
    253,025.15x = 48,292,400,588.51
  5. Step 5: Solve for x
    x = 48,292,400,588.51/253,025.15
  6. Step 6: Final answer
    x = 190,860.08

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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.