Home / 441,799.96-662,721.80-126,303.36

Finding the Fourth Proportional to 441,799.96, 662,721.80 and 126,303.36

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Solution

The fourth proportional to 441,799.96, 662,721.80 and 126,303.36 is: 189,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,799.96 : 662,721.80 = 126,303.36 : x
  2. Step 2: Convert to fraction form
    441,799.96/662,721.80 = 126,303.36/x
  3. Step 3: Cross multiply
    441,799.96x = 662,721.80 × 126,303.36
  4. Step 4: Simplify right side
    441,799.96x = 83,703,990,085.25
  5. Step 5: Solve for x
    x = 83,703,990,085.25/441,799.96
  6. Step 6: Final answer
    x = 189,461.29

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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.