Home / 448,960.38-673,424.16-133,409.08

Finding the Fourth Proportional to 448,960.38, 673,424.16 and 133,409.08

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Solution

The fourth proportional to 448,960.38, 673,424.16 and 133,409.08 is: 200,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,960.38 : 673,424.16 = 133,409.08 : x
  2. Step 2: Convert to fraction form
    448,960.38/673,424.16 = 133,409.08/x
  3. Step 3: Cross multiply
    448,960.38x = 673,424.16 × 133,409.08
  4. Step 4: Simplify right side
    448,960.38x = 89,840,898,643.91
  5. Step 5: Solve for x
    x = 89,840,898,643.91/448,960.38
  6. Step 6: Final answer
    x = 200,108.75

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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.