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Finding the Fourth Proportional to 382,369.56, 527,676.08 and 210,295.04

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Solution

The fourth proportional to 382,369.56, 527,676.08 and 210,295.04 is: 290,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,369.56 : 527,676.08 = 210,295.04 : x
  2. Step 2: Convert to fraction form
    382,369.56/527,676.08 = 210,295.04/x
  3. Step 3: Cross multiply
    382,369.56x = 527,676.08 × 210,295.04
  4. Step 4: Simplify right side
    382,369.56x = 110,967,662,350.64
  5. Step 5: Solve for x
    x = 110,967,662,350.64/382,369.56
  6. Step 6: Final answer
    x = 290,210.50

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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.