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Finding the Fourth Proportional to 312,070.74, 467,825.11 and 112,250.67

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Solution

The fourth proportional to 312,070.74, 467,825.11 and 112,250.67 is: 168,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,070.74 : 467,825.11 = 112,250.67 : x
  2. Step 2: Convert to fraction form
    312,070.74/467,825.11 = 112,250.67/x
  3. Step 3: Cross multiply
    312,070.74x = 467,825.11 × 112,250.67
  4. Step 4: Simplify right side
    312,070.74x = 52,513,682,040.32
  5. Step 5: Solve for x
    x = 52,513,682,040.32/312,070.74
  6. Step 6: Final answer
    x = 168,274.93

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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.