Home / 375,193.23-517,766.55-203,111.07

Finding the Fourth Proportional to 375,193.23, 517,766.55 and 203,111.07

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Solution

The fourth proportional to 375,193.23, 517,766.55 and 203,111.07 is: 280,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,193.23 : 517,766.55 = 203,111.07 : x
  2. Step 2: Convert to fraction form
    375,193.23/517,766.55 = 203,111.07/x
  3. Step 3: Cross multiply
    375,193.23x = 517,766.55 × 203,111.07
  4. Step 4: Simplify right side
    375,193.23x = 105,164,117,980.71
  5. Step 5: Solve for x
    x = 105,164,117,980.71/375,193.23
  6. Step 6: Final answer
    x = 280,293.22

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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.