Home / 308,584.69-425,826.79-172,595.07

Finding the Fourth Proportional to 308,584.69, 425,826.79 and 172,595.07

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Solution

The fourth proportional to 308,584.69, 425,826.79 and 172,595.07 is: 238,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,584.69 : 425,826.79 = 172,595.07 : x
  2. Step 2: Convert to fraction form
    308,584.69/425,826.79 = 172,595.07/x
  3. Step 3: Cross multiply
    308,584.69x = 425,826.79 × 172,595.07
  4. Step 4: Simplify right side
    308,584.69x = 73,495,604,196.44
  5. Step 5: Solve for x
    x = 73,495,604,196.44/308,584.69
  6. Step 6: Final answer
    x = 238,169.96

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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.