Home / 448,747.88-673,116.62-128,907.58

Finding the Fourth Proportional to 448,747.88, 673,116.62 and 128,907.58

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Solution

The fourth proportional to 448,747.88, 673,116.62 and 128,907.58 is: 193,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,747.88 : 673,116.62 = 128,907.58 : x
  2. Step 2: Convert to fraction form
    448,747.88/673,116.62 = 128,907.58/x
  3. Step 3: Cross multiply
    448,747.88x = 673,116.62 × 128,907.58
  4. Step 4: Simplify right side
    448,747.88x = 86,769,834,541.98
  5. Step 5: Solve for x
    x = 86,769,834,541.98/448,747.88
  6. Step 6: Final answer
    x = 193,359.88

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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.