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Finding the Fourth Proportional to 329,633.56, 494,450.14 and 312,804.56

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Solution

The fourth proportional to 329,633.56, 494,450.14 and 312,804.56 is: 469,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,633.56 : 494,450.14 = 312,804.56 : x
  2. Step 2: Convert to fraction form
    329,633.56/494,450.14 = 312,804.56/x
  3. Step 3: Cross multiply
    329,633.56x = 494,450.14 × 312,804.56
  4. Step 4: Simplify right side
    329,633.56x = 154,666,258,484.64
  5. Step 5: Solve for x
    x = 154,666,258,484.64/329,633.56
  6. Step 6: Final answer
    x = 469,206.65

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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.