Home / 672,231.40-1,008,152.70-245,717.80

Finding the Fourth Proportional to 672,231.40, 1,008,152.70 and 245,717.80

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Solution

The fourth proportional to 672,231.40, 1,008,152.70 and 245,717.80 is: 368,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,231.40 : 1,008,152.70 = 245,717.80 : x
  2. Step 2: Convert to fraction form
    672,231.40/1,008,152.70 = 245,717.80/x
  3. Step 3: Cross multiply
    672,231.40x = 1,008,152.70 × 245,717.80
  4. Step 4: Simplify right side
    672,231.40x = 247,721,063,508.06
  5. Step 5: Solve for x
    x = 247,721,063,508.06/672,231.40
  6. Step 6: Final answer
    x = 368,505.64

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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.