Home / 308,490.15-462,688.47-106,117.05

Finding the Fourth Proportional to 308,490.15, 462,688.47 and 106,117.05

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Solution

The fourth proportional to 308,490.15, 462,688.47 and 106,117.05 is: 159,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,490.15 : 462,688.47 = 106,117.05 : x
  2. Step 2: Convert to fraction form
    308,490.15/462,688.47 = 106,117.05/x
  3. Step 3: Cross multiply
    308,490.15x = 462,688.47 × 106,117.05
  4. Step 4: Simplify right side
    308,490.15x = 49,099,135,505.41
  5. Step 5: Solve for x
    x = 49,099,135,505.41/308,490.15
  6. Step 6: Final answer
    x = 159,159.49

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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.