Home / 316,629.71-436,935.88-173,387.29

Finding the Fourth Proportional to 316,629.71, 436,935.88 and 173,387.29

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Solution

The fourth proportional to 316,629.71, 436,935.88 and 173,387.29 is: 239,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,629.71 : 436,935.88 = 173,387.29 : x
  2. Step 2: Convert to fraction form
    316,629.71/436,935.88 = 173,387.29/x
  3. Step 3: Cross multiply
    316,629.71x = 436,935.88 × 173,387.29
  4. Step 4: Simplify right side
    316,629.71x = 75,759,127,261.36
  5. Step 5: Solve for x
    x = 75,759,127,261.36/316,629.71
  6. Step 6: Final answer
    x = 239,267.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.