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Finding the Fourth Proportional to 446,565.40, 670,625.70 and 236,613.40

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Solution

The fourth proportional to 446,565.40, 670,625.70 and 236,613.40 is: 355,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,565.40 : 670,625.70 = 236,613.40 : x
  2. Step 2: Convert to fraction form
    446,565.40/670,625.70 = 236,613.40/x
  3. Step 3: Cross multiply
    446,565.40x = 670,625.70 × 236,613.40
  4. Step 4: Simplify right side
    446,565.40x = 158,679,027,004.38
  5. Step 5: Solve for x
    x = 158,679,027,004.38/446,565.40
  6. Step 6: Final answer
    x = 355,332.11

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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.