Home / 319,461.57-479,141.55-106,211.76

Finding the Fourth Proportional to 319,461.57, 479,141.55 and 106,211.76

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Solution

The fourth proportional to 319,461.57, 479,141.55 and 106,211.76 is: 159,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,461.57 : 479,141.55 = 106,211.76 : x
  2. Step 2: Convert to fraction form
    319,461.57/479,141.55 = 106,211.76/x
  3. Step 3: Cross multiply
    319,461.57x = 479,141.55 × 106,211.76
  4. Step 4: Simplify right side
    319,461.57x = 50,890,467,314.63
  5. Step 5: Solve for x
    x = 50,890,467,314.63/319,461.57
  6. Step 6: Final answer
    x = 159,300.75

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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.