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Finding the Fourth Proportional to 416,633.08, 574,953.48 and 225,646.48

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Solution

The fourth proportional to 416,633.08, 574,953.48 and 225,646.48 is: 311,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,633.08 : 574,953.48 = 225,646.48 : x
  2. Step 2: Convert to fraction form
    416,633.08/574,953.48 = 225,646.48/x
  3. Step 3: Cross multiply
    416,633.08x = 574,953.48 × 225,646.48
  4. Step 4: Simplify right side
    416,633.08x = 129,736,228,925.75
  5. Step 5: Solve for x
    x = 129,736,228,925.75/416,633.08
  6. Step 6: Final answer
    x = 311,392.05

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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.