Home / 915,119.72-1,372,660.14-250,271.72

Finding the Fourth Proportional to 915,119.72, 1,372,660.14 and 250,271.72

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Solution

The fourth proportional to 915,119.72, 1,372,660.14 and 250,271.72 is: 375,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,119.72 : 1,372,660.14 = 250,271.72 : x
  2. Step 2: Convert to fraction form
    915,119.72/1,372,660.14 = 250,271.72/x
  3. Step 3: Cross multiply
    915,119.72x = 1,372,660.14 × 250,271.72
  4. Step 4: Simplify right side
    915,119.72x = 343,538,014,213.24
  5. Step 5: Solve for x
    x = 343,538,014,213.24/915,119.72
  6. Step 6: Final answer
    x = 375,402.26

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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.