Home / 310,558.07-428,585.34-174,634.81

Finding the Fourth Proportional to 310,558.07, 428,585.34 and 174,634.81

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Solution

The fourth proportional to 310,558.07, 428,585.34 and 174,634.81 is: 241,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,558.07 : 428,585.34 = 174,634.81 : x
  2. Step 2: Convert to fraction form
    310,558.07/428,585.34 = 174,634.81/x
  3. Step 3: Cross multiply
    310,558.07x = 428,585.34 × 174,634.81
  4. Step 4: Simplify right side
    310,558.07x = 74,845,919,419.69
  5. Step 5: Solve for x
    x = 74,845,919,419.69/310,558.07
  6. Step 6: Final answer
    x = 241,004.59

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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.