Home / 375,111.28-517,653.57-205,345.41

Finding the Fourth Proportional to 375,111.28, 517,653.57 and 205,345.41

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Solution

The fourth proportional to 375,111.28, 517,653.57 and 205,345.41 is: 283,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,111.28 : 517,653.57 = 205,345.41 : x
  2. Step 2: Convert to fraction form
    375,111.28/517,653.57 = 205,345.41/x
  3. Step 3: Cross multiply
    375,111.28x = 517,653.57 × 205,345.41
  4. Step 4: Simplify right side
    375,111.28x = 106,297,783,398.46
  5. Step 5: Solve for x
    x = 106,297,783,398.46/375,111.28
  6. Step 6: Final answer
    x = 283,376.66

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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.