Home / 448,177.05-671,757.10-279,772.58

Finding the Fourth Proportional to 448,177.05, 671,757.10 and 279,772.58

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Solution

The fourth proportional to 448,177.05, 671,757.10 and 279,772.58 is: 419,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,177.05 : 671,757.10 = 279,772.58 : x
  2. Step 2: Convert to fraction form
    448,177.05/671,757.10 = 279,772.58/x
  3. Step 3: Cross multiply
    448,177.05x = 671,757.10 × 279,772.58
  4. Step 4: Simplify right side
    448,177.05x = 187,939,217,980.28
  5. Step 5: Solve for x
    x = 187,939,217,980.28/448,177.05
  6. Step 6: Final answer
    x = 419,341.46

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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.