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Finding the Fourth Proportional to 362,331.24, 500,211.24 and 279,364.02

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Solution

The fourth proportional to 362,331.24, 500,211.24 and 279,364.02 is: 385,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,331.24 : 500,211.24 = 279,364.02 : x
  2. Step 2: Convert to fraction form
    362,331.24/500,211.24 = 279,364.02/x
  3. Step 3: Cross multiply
    362,331.24x = 500,211.24 × 279,364.02
  4. Step 4: Simplify right side
    362,331.24x = 139,741,023,482.91
  5. Step 5: Solve for x
    x = 139,741,023,482.91/362,331.24
  6. Step 6: Final answer
    x = 385,672.02

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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.