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Finding the Fourth Proportional to 446,335.92, 672,572.16 and 369,178.56

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Solution

The fourth proportional to 446,335.92, 672,572.16 and 369,178.56 is: 556,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,335.92 : 672,572.16 = 369,178.56 : x
  2. Step 2: Convert to fraction form
    446,335.92/672,572.16 = 369,178.56/x
  3. Step 3: Cross multiply
    446,335.92x = 672,572.16 × 369,178.56
  4. Step 4: Simplify right side
    446,335.92x = 248,299,221,524.89
  5. Step 5: Solve for x
    x = 248,299,221,524.89/446,335.92
  6. Step 6: Final answer
    x = 556,305.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.