Home / 286,583.73-429,468.23-211,110.36

Finding the Fourth Proportional to 286,583.73, 429,468.23 and 211,110.36

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Solution

The fourth proportional to 286,583.73, 429,468.23 and 211,110.36 is: 316,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,583.73 : 429,468.23 = 211,110.36 : x
  2. Step 2: Convert to fraction form
    286,583.73/429,468.23 = 211,110.36/x
  3. Step 3: Cross multiply
    286,583.73x = 429,468.23 × 211,110.36
  4. Step 4: Simplify right side
    286,583.73x = 90,665,191,588.31
  5. Step 5: Solve for x
    x = 90,665,191,588.31/286,583.73
  6. Step 6: Final answer
    x = 316,365.45

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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.