Home / 382,269.12-527,485.44-210,158.76

Finding the Fourth Proportional to 382,269.12, 527,485.44 and 210,158.76

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Solution

The fourth proportional to 382,269.12, 527,485.44 and 210,158.76 is: 289,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,269.12 : 527,485.44 = 210,158.76 : x
  2. Step 2: Convert to fraction form
    382,269.12/527,485.44 = 210,158.76/x
  3. Step 3: Cross multiply
    382,269.12x = 527,485.44 × 210,158.76
  4. Step 4: Simplify right side
    382,269.12x = 110,855,685,988.45
  5. Step 5: Solve for x
    x = 110,855,685,988.45/382,269.12
  6. Step 6: Final answer
    x = 289,993.83

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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.