Home / 382,271.72-527,548.51-210,202.78

Finding the Fourth Proportional to 382,271.72, 527,548.51 and 210,202.78

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Solution

The fourth proportional to 382,271.72, 527,548.51 and 210,202.78 is: 290,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,271.72 : 527,548.51 = 210,202.78 : x
  2. Step 2: Convert to fraction form
    382,271.72/527,548.51 = 210,202.78/x
  3. Step 3: Cross multiply
    382,271.72x = 527,548.51 × 210,202.78
  4. Step 4: Simplify right side
    382,271.72x = 110,892,163,386.86
  5. Step 5: Solve for x
    x = 110,892,163,386.86/382,271.72
  6. Step 6: Final answer
    x = 290,087.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.