Home / 433,072.20-649,608.30-133,526.10

Finding the Fourth Proportional to 433,072.20, 649,608.30 and 133,526.10

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Solution

The fourth proportional to 433,072.20, 649,608.30 and 133,526.10 is: 200,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,072.20 : 649,608.30 = 133,526.10 : x
  2. Step 2: Convert to fraction form
    433,072.20/649,608.30 = 133,526.10/x
  3. Step 3: Cross multiply
    433,072.20x = 649,608.30 × 133,526.10
  4. Step 4: Simplify right side
    433,072.20x = 86,739,662,826.63
  5. Step 5: Solve for x
    x = 86,739,662,826.63/433,072.20
  6. Step 6: Final answer
    x = 200,289.15

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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.