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Finding the Fourth Proportional to 230,345.06, 317,868.48 and 133,550.69

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Solution

The fourth proportional to 230,345.06, 317,868.48 and 133,550.69 is: 184,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,345.06 : 317,868.48 = 133,550.69 : x
  2. Step 2: Convert to fraction form
    230,345.06/317,868.48 = 133,550.69/x
  3. Step 3: Cross multiply
    230,345.06x = 317,868.48 × 133,550.69
  4. Step 4: Simplify right side
    230,345.06x = 42,451,553,243.91
  5. Step 5: Solve for x
    x = 42,451,553,243.91/230,345.06
  6. Step 6: Final answer
    x = 184,295.48

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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.