Home / 406,983.30-561,829.80-271,243.50

Finding the Fourth Proportional to 406,983.30, 561,829.80 and 271,243.50

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Solution

The fourth proportional to 406,983.30, 561,829.80 and 271,243.50 is: 374,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,983.30 : 561,829.80 = 271,243.50 : x
  2. Step 2: Convert to fraction form
    406,983.30/561,829.80 = 271,243.50/x
  3. Step 3: Cross multiply
    406,983.30x = 561,829.80 × 271,243.50
  4. Step 4: Simplify right side
    406,983.30x = 152,392,681,356.30
  5. Step 5: Solve for x
    x = 152,392,681,356.30/406,983.30
  6. Step 6: Final answer
    x = 374,444.56

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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.