Home / 407,567.08-611,314.38-141,321.64

Finding the Fourth Proportional to 407,567.08, 611,314.38 and 141,321.64

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Solution

The fourth proportional to 407,567.08, 611,314.38 and 141,321.64 is: 211,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,567.08 : 611,314.38 = 141,321.64 : x
  2. Step 2: Convert to fraction form
    407,567.08/611,314.38 = 141,321.64/x
  3. Step 3: Cross multiply
    407,567.08x = 611,314.38 × 141,321.64
  4. Step 4: Simplify right side
    407,567.08x = 86,391,950,737.18
  5. Step 5: Solve for x
    x = 86,391,950,737.18/407,567.08
  6. Step 6: Final answer
    x = 211,969.89

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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.