Home / 448,566.76-672,980.01-133,031.26

Finding the Fourth Proportional to 448,566.76, 672,980.01 and 133,031.26

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Solution

The fourth proportional to 448,566.76, 672,980.01 and 133,031.26 is: 199,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,566.76 : 672,980.01 = 133,031.26 : x
  2. Step 2: Convert to fraction form
    448,566.76/672,980.01 = 133,031.26/x
  3. Step 3: Cross multiply
    448,566.76x = 672,980.01 × 133,031.26
  4. Step 4: Simplify right side
    448,566.76x = 89,527,378,685.11
  5. Step 5: Solve for x
    x = 89,527,378,685.11/448,566.76
  6. Step 6: Final answer
    x = 199,585.41

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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.