Home / 377,855.60-521,432.91-205,776.57

Finding the Fourth Proportional to 377,855.60, 521,432.91 and 205,776.57

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Solution

The fourth proportional to 377,855.60, 521,432.91 and 205,776.57 is: 283,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,855.60 : 521,432.91 = 205,776.57 : x
  2. Step 2: Convert to fraction form
    377,855.60/521,432.91 = 205,776.57/x
  3. Step 3: Cross multiply
    377,855.60x = 521,432.91 × 205,776.57
  4. Step 4: Simplify right side
    377,855.60x = 107,298,674,727.23
  5. Step 5: Solve for x
    x = 107,298,674,727.23/377,855.60
  6. Step 6: Final answer
    x = 283,967.41

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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.