Home / 413,040.72-618,560.70-210,102.92

Finding the Fourth Proportional to 413,040.72, 618,560.70 and 210,102.92

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Solution

The fourth proportional to 413,040.72, 618,560.70 and 210,102.92 is: 314,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,040.72 : 618,560.70 = 210,102.92 : x
  2. Step 2: Convert to fraction form
    413,040.72/618,560.70 = 210,102.92/x
  3. Step 3: Cross multiply
    413,040.72x = 618,560.70 × 210,102.92
  4. Step 4: Simplify right side
    413,040.72x = 129,961,409,267.24
  5. Step 5: Solve for x
    x = 129,961,409,267.24/413,040.72
  6. Step 6: Final answer
    x = 314,645.51

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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.