Home / 207,928.67-286,941.22-117,284.36

Finding the Fourth Proportional to 207,928.67, 286,941.22 and 117,284.36

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Solution

The fourth proportional to 207,928.67, 286,941.22 and 117,284.36 is: 161,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,928.67 : 286,941.22 = 117,284.36 : x
  2. Step 2: Convert to fraction form
    207,928.67/286,941.22 = 117,284.36/x
  3. Step 3: Cross multiply
    207,928.67x = 286,941.22 × 117,284.36
  4. Step 4: Simplify right side
    207,928.67x = 33,653,715,617.40
  5. Step 5: Solve for x
    x = 33,653,715,617.40/207,928.67
  6. Step 6: Final answer
    x = 161,852.22

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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.