Home / 298,673.20-448,008.96-245,971.36

Finding the Fourth Proportional to 298,673.20, 448,008.96 and 245,971.36

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Solution

The fourth proportional to 298,673.20, 448,008.96 and 245,971.36 is: 368,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,673.20 : 448,008.96 = 245,971.36 : x
  2. Step 2: Convert to fraction form
    298,673.20/448,008.96 = 245,971.36/x
  3. Step 3: Cross multiply
    298,673.20x = 448,008.96 × 245,971.36
  4. Step 4: Simplify right side
    298,673.20x = 110,197,373,183.39
  5. Step 5: Solve for x
    x = 110,197,373,183.39/298,673.20
  6. Step 6: Final answer
    x = 368,956.35

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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.