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Finding the Fourth Proportional to 248,033.98, 342,455.93 and 166,484.54

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Solution

The fourth proportional to 248,033.98, 342,455.93 and 166,484.54 is: 229,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,033.98 : 342,455.93 = 166,484.54 : x
  2. Step 2: Convert to fraction form
    248,033.98/342,455.93 = 166,484.54/x
  3. Step 3: Cross multiply
    248,033.98x = 342,455.93 × 166,484.54
  4. Step 4: Simplify right side
    248,033.98x = 57,013,619,248.67
  5. Step 5: Solve for x
    x = 57,013,619,248.67/248,033.98
  6. Step 6: Final answer
    x = 229,862.13

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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.