Home / 308,975.10-463,117.05-131,451.90

Finding the Fourth Proportional to 308,975.10, 463,117.05 and 131,451.90

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Solution

The fourth proportional to 308,975.10, 463,117.05 and 131,451.90 is: 197,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,975.10 : 463,117.05 = 131,451.90 : x
  2. Step 2: Convert to fraction form
    308,975.10/463,117.05 = 131,451.90/x
  3. Step 3: Cross multiply
    308,975.10x = 463,117.05 × 131,451.90
  4. Step 4: Simplify right side
    308,975.10x = 60,877,616,144.90
  5. Step 5: Solve for x
    x = 60,877,616,144.90/308,975.10
  6. Step 6: Final answer
    x = 197,030.82

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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.