Home / 311,320.09-467,045.75-100,941.63

Finding the Fourth Proportional to 311,320.09, 467,045.75 and 100,941.63

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Solution

The fourth proportional to 311,320.09, 467,045.75 and 100,941.63 is: 151,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,320.09 : 467,045.75 = 100,941.63 : x
  2. Step 2: Convert to fraction form
    311,320.09/467,045.75 = 100,941.63/x
  3. Step 3: Cross multiply
    311,320.09x = 467,045.75 × 100,941.63
  4. Step 4: Simplify right side
    311,320.09x = 47,144,359,289.57
  5. Step 5: Solve for x
    x = 47,144,359,289.57/311,320.09
  6. Step 6: Final answer
    x = 151,433.72

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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.