Home / 284,078.22-426,280.14-115,567.44

Finding the Fourth Proportional to 284,078.22, 426,280.14 and 115,567.44

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Solution

The fourth proportional to 284,078.22, 426,280.14 and 115,567.44 is: 173,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,078.22 : 426,280.14 = 115,567.44 : x
  2. Step 2: Convert to fraction form
    284,078.22/426,280.14 = 115,567.44/x
  3. Step 3: Cross multiply
    284,078.22x = 426,280.14 × 115,567.44
  4. Step 4: Simplify right side
    284,078.22x = 49,264,104,502.64
  5. Step 5: Solve for x
    x = 49,264,104,502.64/284,078.22
  6. Step 6: Final answer
    x = 173,417.39

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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.