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Finding the Fourth Proportional to 243,283.81, 335,707.80 and 166,868.17

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Solution

The fourth proportional to 243,283.81, 335,707.80 and 166,868.17 is: 230,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,283.81 : 335,707.80 = 166,868.17 : x
  2. Step 2: Convert to fraction form
    243,283.81/335,707.80 = 166,868.17/x
  3. Step 3: Cross multiply
    243,283.81x = 335,707.80 × 166,868.17
  4. Step 4: Simplify right side
    243,283.81x = 56,018,946,240.73
  5. Step 5: Solve for x
    x = 56,018,946,240.73/243,283.81
  6. Step 6: Final answer
    x = 230,261.71

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1.5x scale

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.