Home / 449,148.60-673,820.10-133,637.40

Finding the Fourth Proportional to 449,148.60, 673,820.10 and 133,637.40

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Solution

The fourth proportional to 449,148.60, 673,820.10 and 133,637.40 is: 200,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,148.60 : 673,820.10 = 133,637.40 : x
  2. Step 2: Convert to fraction form
    449,148.60/673,820.10 = 133,637.40/x
  3. Step 3: Cross multiply
    449,148.60x = 673,820.10 × 133,637.40
  4. Step 4: Simplify right side
    449,148.60x = 90,047,566,231.74
  5. Step 5: Solve for x
    x = 90,047,566,231.74/449,148.60
  6. Step 6: Final answer
    x = 200,485.02

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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.