Home / 298,977.40-448,466.10-149,678.20

Finding the Fourth Proportional to 298,977.40, 448,466.10 and 149,678.20

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Solution

The fourth proportional to 298,977.40, 448,466.10 and 149,678.20 is: 224,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,977.40 : 448,466.10 = 149,678.20 : x
  2. Step 2: Convert to fraction form
    298,977.40/448,466.10 = 149,678.20/x
  3. Step 3: Cross multiply
    298,977.40x = 448,466.10 × 149,678.20
  4. Step 4: Simplify right side
    298,977.40x = 67,125,598,609.02
  5. Step 5: Solve for x
    x = 67,125,598,609.02/298,977.40
  6. Step 6: Final answer
    x = 224,517.30

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1.5x scale

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.