Home / 448,229.06-672,409.76-160,018.35

Finding the Fourth Proportional to 448,229.06, 672,409.76 and 160,018.35

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Solution

The fourth proportional to 448,229.06, 672,409.76 and 160,018.35 is: 240,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,229.06 : 672,409.76 = 160,018.35 : x
  2. Step 2: Convert to fraction form
    448,229.06/672,409.76 = 160,018.35/x
  3. Step 3: Cross multiply
    448,229.06x = 672,409.76 × 160,018.35
  4. Step 4: Simplify right side
    448,229.06x = 107,597,899,519.00
  5. Step 5: Solve for x
    x = 107,597,899,519.00/448,229.06
  6. Step 6: Final answer
    x = 240,051.15

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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.