Home / 305,516.92-458,166.02-105,783.70

Finding the Fourth Proportional to 305,516.92, 458,166.02 and 105,783.70

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Solution

The fourth proportional to 305,516.92, 458,166.02 and 105,783.70 is: 158,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,516.92 : 458,166.02 = 105,783.70 : x
  2. Step 2: Convert to fraction form
    305,516.92/458,166.02 = 105,783.70/x
  3. Step 3: Cross multiply
    305,516.92x = 458,166.02 × 105,783.70
  4. Step 4: Simplify right side
    305,516.92x = 48,466,496,809.87
  5. Step 5: Solve for x
    x = 48,466,496,809.87/305,516.92
  6. Step 6: Final answer
    x = 158,637.68

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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.