Home / 448,259.16-672,469.20-148,683.90

Finding the Fourth Proportional to 448,259.16, 672,469.20 and 148,683.90

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Solution

The fourth proportional to 448,259.16, 672,469.20 and 148,683.90 is: 223,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,259.16 : 672,469.20 = 148,683.90 : x
  2. Step 2: Convert to fraction form
    448,259.16/672,469.20 = 148,683.90/x
  3. Step 3: Cross multiply
    448,259.16x = 672,469.20 × 148,683.90
  4. Step 4: Simplify right side
    448,259.16x = 99,985,343,285.88
  5. Step 5: Solve for x
    x = 99,985,343,285.88/448,259.16
  6. Step 6: Final answer
    x = 223,052.54

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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.