Home / 382,291.72-527,576.10-210,222.84

Finding the Fourth Proportional to 382,291.72, 527,576.10 and 210,222.84

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Solution

The fourth proportional to 382,291.72, 527,576.10 and 210,222.84 is: 290,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,291.72 : 527,576.10 = 210,222.84 : x
  2. Step 2: Convert to fraction form
    382,291.72/527,576.10 = 210,222.84/x
  3. Step 3: Cross multiply
    382,291.72x = 527,576.10 × 210,222.84
  4. Step 4: Simplify right side
    382,291.72x = 110,908,546,058.12
  5. Step 5: Solve for x
    x = 110,908,546,058.12/382,291.72
  6. Step 6: Final answer
    x = 290,114.96

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1.5x scale

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.