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Finding the Fourth Proportional to 251,690.70, 377,667.69 and 101,946.81

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Solution

The fourth proportional to 251,690.70, 377,667.69 and 101,946.81 is: 152,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,690.70 : 377,667.69 = 101,946.81 : x
  2. Step 2: Convert to fraction form
    251,690.70/377,667.69 = 101,946.81/x
  3. Step 3: Cross multiply
    251,690.70x = 377,667.69 × 101,946.81
  4. Step 4: Simplify right side
    251,690.70x = 38,502,016,235.57
  5. Step 5: Solve for x
    x = 38,502,016,235.57/251,690.70
  6. Step 6: Final answer
    x = 152,973.54

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Why These Related Problems?

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