Home / 385,299.16-531,733.50-215,523.16

Finding the Fourth Proportional to 385,299.16, 531,733.50 and 215,523.16

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Solution

The fourth proportional to 385,299.16, 531,733.50 and 215,523.16 is: 297,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,299.16 : 531,733.50 = 215,523.16 : x
  2. Step 2: Convert to fraction form
    385,299.16/531,733.50 = 215,523.16/x
  3. Step 3: Cross multiply
    385,299.16x = 531,733.50 × 215,523.16
  4. Step 4: Simplify right side
    385,299.16x = 114,600,884,197.86
  5. Step 5: Solve for x
    x = 114,600,884,197.86/385,299.16
  6. Step 6: Final answer
    x = 297,433.52

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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.