Home / 448,299.42-672,082.66-208,562.77

Finding the Fourth Proportional to 448,299.42, 672,082.66 and 208,562.77

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Solution

The fourth proportional to 448,299.42, 672,082.66 and 208,562.77 is: 312,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,299.42 : 672,082.66 = 208,562.77 : x
  2. Step 2: Convert to fraction form
    448,299.42/672,082.66 = 208,562.77/x
  3. Step 3: Cross multiply
    448,299.42x = 672,082.66 × 208,562.77
  4. Step 4: Simplify right side
    448,299.42x = 140,171,421,238.57
  5. Step 5: Solve for x
    x = 140,171,421,238.57/448,299.42
  6. Step 6: Final answer
    x = 312,673.66

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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.