Home / 308,579.10-462,904.65-98,238.30

Finding the Fourth Proportional to 308,579.10, 462,904.65 and 98,238.30

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Solution

The fourth proportional to 308,579.10, 462,904.65 and 98,238.30 is: 147,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,579.10 : 462,904.65 = 98,238.30 : x
  2. Step 2: Convert to fraction form
    308,579.10/462,904.65 = 98,238.30/x
  3. Step 3: Cross multiply
    308,579.10x = 462,904.65 × 98,238.30
  4. Step 4: Simplify right side
    308,579.10x = 45,474,965,878.10
  5. Step 5: Solve for x
    x = 45,474,965,878.10/308,579.10
  6. Step 6: Final answer
    x = 147,368.91

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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.