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Finding the Fourth Proportional to 311,877.60, 466,941.60 and 303,129.60

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Solution

The fourth proportional to 311,877.60, 466,941.60 and 303,129.60 is: 453,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,877.60 : 466,941.60 = 303,129.60 : x
  2. Step 2: Convert to fraction form
    311,877.60/466,941.60 = 303,129.60/x
  3. Step 3: Cross multiply
    311,877.60x = 466,941.60 × 303,129.60
  4. Step 4: Simplify right side
    311,877.60x = 141,543,820,431.36
  5. Step 5: Solve for x
    x = 141,543,820,431.36/311,877.60
  6. Step 6: Final answer
    x = 453,844.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.