Home / 403,103.10-556,511.73-267,320.37

Finding the Fourth Proportional to 403,103.10, 556,511.73 and 267,320.37

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Solution

The fourth proportional to 403,103.10, 556,511.73 and 267,320.37 is: 369,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,103.10 : 556,511.73 = 267,320.37 : x
  2. Step 2: Convert to fraction form
    403,103.10/556,511.73 = 267,320.37/x
  3. Step 3: Cross multiply
    403,103.10x = 556,511.73 × 267,320.37
  4. Step 4: Simplify right side
    403,103.10x = 148,766,921,572.94
  5. Step 5: Solve for x
    x = 148,766,921,572.94/403,103.10
  6. Step 6: Final answer
    x = 369,054.27

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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.