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Finding the Fourth Proportional to 213,668.42, 294,920.73 and 133,048.31

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Solution

The fourth proportional to 213,668.42, 294,920.73 and 133,048.31 is: 183,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,668.42 : 294,920.73 = 133,048.31 : x
  2. Step 2: Convert to fraction form
    213,668.42/294,920.73 = 133,048.31/x
  3. Step 3: Cross multiply
    213,668.42x = 294,920.73 × 133,048.31
  4. Step 4: Simplify right side
    213,668.42x = 39,238,703,235.86
  5. Step 5: Solve for x
    x = 39,238,703,235.86/213,668.42
  6. Step 6: Final answer
    x = 183,642.97

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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.