Home / 308,051.10-462,011.85-130,563.90

Finding the Fourth Proportional to 308,051.10, 462,011.85 and 130,563.90

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Solution

The fourth proportional to 308,051.10, 462,011.85 and 130,563.90 is: 195,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,051.10 : 462,011.85 = 130,563.90 : x
  2. Step 2: Convert to fraction form
    308,051.10/462,011.85 = 130,563.90/x
  3. Step 3: Cross multiply
    308,051.10x = 462,011.85 × 130,563.90
  4. Step 4: Simplify right side
    308,051.10x = 60,322,068,982.22
  5. Step 5: Solve for x
    x = 60,322,068,982.22/308,051.10
  6. Step 6: Final answer
    x = 195,818.39

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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.