Home / 375,140.11-517,693.38-205,374.23

Finding the Fourth Proportional to 375,140.11, 517,693.38 and 205,374.23

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Solution

The fourth proportional to 375,140.11, 517,693.38 and 205,374.23 is: 283,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,140.11 : 517,693.38 = 205,374.23 : x
  2. Step 2: Convert to fraction form
    375,140.11/517,693.38 = 205,374.23/x
  3. Step 3: Cross multiply
    375,140.11x = 517,693.38 × 205,374.23
  4. Step 4: Simplify right side
    375,140.11x = 106,320,880,788.35
  5. Step 5: Solve for x
    x = 106,320,880,788.35/375,140.11
  6. Step 6: Final answer
    x = 283,416.46

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1.5x scale

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.