Home / 310,566.57-428,597.07-174,643.31

Finding the Fourth Proportional to 310,566.57, 428,597.07 and 174,643.31

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Solution

The fourth proportional to 310,566.57, 428,597.07 and 174,643.31 is: 241,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,566.57 : 428,597.07 = 174,643.31 : x
  2. Step 2: Convert to fraction form
    310,566.57/428,597.07 = 174,643.31/x
  3. Step 3: Cross multiply
    310,566.57x = 428,597.07 × 174,643.31
  4. Step 4: Simplify right side
    310,566.57x = 74,851,608,818.12
  5. Step 5: Solve for x
    x = 74,851,608,818.12/310,566.57
  6. Step 6: Final answer
    x = 241,016.31

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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.