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Finding the Fourth Proportional to 254,703.66, 382,135.50 and 105,014.40

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Solution

The fourth proportional to 254,703.66, 382,135.50 and 105,014.40 is: 157,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,703.66 : 382,135.50 = 105,014.40 : x
  2. Step 2: Convert to fraction form
    254,703.66/382,135.50 = 105,014.40/x
  3. Step 3: Cross multiply
    254,703.66x = 382,135.50 × 105,014.40
  4. Step 4: Simplify right side
    254,703.66x = 40,129,730,251.20
  5. Step 5: Solve for x
    x = 40,129,730,251.20/254,703.66
  6. Step 6: Final answer
    x = 157,554.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.