Home / 447,538.49-671,370.37-143,830.59

Finding the Fourth Proportional to 447,538.49, 671,370.37 and 143,830.59

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Solution

The fourth proportional to 447,538.49, 671,370.37 and 143,830.59 is: 215,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,538.49 : 671,370.37 = 143,830.59 : x
  2. Step 2: Convert to fraction form
    447,538.49/671,370.37 = 143,830.59/x
  3. Step 3: Cross multiply
    447,538.49x = 671,370.37 × 143,830.59
  4. Step 4: Simplify right side
    447,538.49x = 96,563,594,357.45
  5. Step 5: Solve for x
    x = 96,563,594,357.45/447,538.49
  6. Step 6: Final answer
    x = 215,766.01

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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.