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Finding the Fourth Proportional to 230,349.69, 317,737.08 and 158,605.11

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Solution

The fourth proportional to 230,349.69, 317,737.08 and 158,605.11 is: 218,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,349.69 : 317,737.08 = 158,605.11 : x
  2. Step 2: Convert to fraction form
    230,349.69/317,737.08 = 158,605.11/x
  3. Step 3: Cross multiply
    230,349.69x = 317,737.08 × 158,605.11
  4. Step 4: Simplify right side
    230,349.69x = 50,394,724,524.48
  5. Step 5: Solve for x
    x = 50,394,724,524.48/230,349.69
  6. Step 6: Final answer
    x = 218,774.87

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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.