Home / 448,259.31-672,447.27-163,905.57

Finding the Fourth Proportional to 448,259.31, 672,447.27 and 163,905.57

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Solution

The fourth proportional to 448,259.31, 672,447.27 and 163,905.57 is: 245,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,259.31 : 672,447.27 = 163,905.57 : x
  2. Step 2: Convert to fraction form
    448,259.31/672,447.27 = 163,905.57/x
  3. Step 3: Cross multiply
    448,259.31x = 672,447.27 × 163,905.57
  4. Step 4: Simplify right side
    448,259.31x = 110,217,853,084.29
  5. Step 5: Solve for x
    x = 110,217,853,084.29/448,259.31
  6. Step 6: Final answer
    x = 245,879.67

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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.