Home / 374,979.40-517,464.66-205,210.12

Finding the Fourth Proportional to 374,979.40, 517,464.66 and 205,210.12

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Solution

The fourth proportional to 374,979.40, 517,464.66 and 205,210.12 is: 283,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,979.40 : 517,464.66 = 205,210.12 : x
  2. Step 2: Convert to fraction form
    374,979.40/517,464.66 = 205,210.12/x
  3. Step 3: Cross multiply
    374,979.40x = 517,464.66 × 205,210.12
  4. Step 4: Simplify right side
    374,979.40x = 106,188,984,974.36
  5. Step 5: Solve for x
    x = 106,188,984,974.36/374,979.40
  6. Step 6: Final answer
    x = 283,186.18

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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.