Home / 557,212.45-835,938.69-172,953.31

Finding the Fourth Proportional to 557,212.45, 835,938.69 and 172,953.31

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Solution

The fourth proportional to 557,212.45, 835,938.69 and 172,953.31 is: 259,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,212.45 : 835,938.69 = 172,953.31 : x
  2. Step 2: Convert to fraction form
    557,212.45/835,938.69 = 172,953.31/x
  3. Step 3: Cross multiply
    557,212.45x = 835,938.69 × 172,953.31
  4. Step 4: Simplify right side
    557,212.45x = 144,578,363,392.56
  5. Step 5: Solve for x
    x = 144,578,363,392.56/557,212.45
  6. Step 6: Final answer
    x = 259,467.22

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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.