Home / 629,022.51-943,417.13-208,243.71

Finding the Fourth Proportional to 629,022.51, 943,417.13 and 208,243.71

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Solution

The fourth proportional to 629,022.51, 943,417.13 and 208,243.71 is: 312,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,022.51 : 943,417.13 = 208,243.71 : x
  2. Step 2: Convert to fraction form
    629,022.51/943,417.13 = 208,243.71/x
  3. Step 3: Cross multiply
    629,022.51x = 943,417.13 × 208,243.71
  4. Step 4: Simplify right side
    629,022.51x = 196,460,682,187.53
  5. Step 5: Solve for x
    x = 196,460,682,187.53/629,022.51
  6. Step 6: Final answer
    x = 312,326.95

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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.