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Finding the Fourth Proportional to 311,455.80, 466,892.10 and 243,950.40

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Solution

The fourth proportional to 311,455.80, 466,892.10 and 243,950.40 is: 365,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,455.80 : 466,892.10 = 243,950.40 : x
  2. Step 2: Convert to fraction form
    311,455.80/466,892.10 = 243,950.40/x
  3. Step 3: Cross multiply
    311,455.80x = 466,892.10 × 243,950.40
  4. Step 4: Simplify right side
    311,455.80x = 113,898,514,551.84
  5. Step 5: Solve for x
    x = 113,898,514,551.84/311,455.80
  6. Step 6: Final answer
    x = 365,697.20

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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.