Home / 298,895.21-448,031.41-130,370.29

Finding the Fourth Proportional to 298,895.21, 448,031.41 and 130,370.29

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Solution

The fourth proportional to 298,895.21, 448,031.41 and 130,370.29 is: 195,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,895.21 : 448,031.41 = 130,370.29 : x
  2. Step 2: Convert to fraction form
    298,895.21/448,031.41 = 130,370.29/x
  3. Step 3: Cross multiply
    298,895.21x = 448,031.41 × 130,370.29
  4. Step 4: Simplify right side
    298,895.21x = 58,409,982,610.65
  5. Step 5: Solve for x
    x = 58,409,982,610.65/298,895.21
  6. Step 6: Final answer
    x = 195,419.60

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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.