Home / 448,214.70-672,320.66-140,490.12

Finding the Fourth Proportional to 448,214.70, 672,320.66 and 140,490.12

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Solution

The fourth proportional to 448,214.70, 672,320.66 and 140,490.12 is: 210,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,214.70 : 672,320.66 = 140,490.12 : x
  2. Step 2: Convert to fraction form
    448,214.70/672,320.66 = 140,490.12/x
  3. Step 3: Cross multiply
    448,214.70x = 672,320.66 × 140,490.12
  4. Step 4: Simplify right side
    448,214.70x = 94,454,410,201.88
  5. Step 5: Solve for x
    x = 94,454,410,201.88/448,214.70
  6. Step 6: Final answer
    x = 210,734.74

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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.