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Finding the Fourth Proportional to 230,858, 318,603.48 and 130,275.44

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Solution

The fourth proportional to 230,858, 318,603.48 and 130,275.44 is: 179,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,858 : 318,603.48 = 130,275.44 : x
  2. Step 2: Convert to fraction form
    230,858/318,603.48 = 130,275.44/x
  3. Step 3: Cross multiply
    230,858x = 318,603.48 × 130,275.44
  4. Step 4: Simplify right side
    230,858x = 41,506,208,542.53
  5. Step 5: Solve for x
    x = 41,506,208,542.53/230,858
  6. Step 6: Final answer
    x = 179,791.08

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Why These Related Problems?

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