Home / 400,511.19-552,700.77-216,745.50

Finding the Fourth Proportional to 400,511.19, 552,700.77 and 216,745.50

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Solution

The fourth proportional to 400,511.19, 552,700.77 and 216,745.50 is: 299,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,511.19 : 552,700.77 = 216,745.50 : x
  2. Step 2: Convert to fraction form
    400,511.19/552,700.77 = 216,745.50/x
  3. Step 3: Cross multiply
    400,511.19x = 552,700.77 × 216,745.50
  4. Step 4: Simplify right side
    400,511.19x = 119,795,404,744.04
  5. Step 5: Solve for x
    x = 119,795,404,744.04/400,511.19
  6. Step 6: Final answer
    x = 299,106.26

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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.