Home / 310,818.03-428,953.78-174,843.87

Finding the Fourth Proportional to 310,818.03, 428,953.78 and 174,843.87

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Solution

The fourth proportional to 310,818.03, 428,953.78 and 174,843.87 is: 241,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,818.03 : 428,953.78 = 174,843.87 : x
  2. Step 2: Convert to fraction form
    310,818.03/428,953.78 = 174,843.87/x
  3. Step 3: Cross multiply
    310,818.03x = 428,953.78 × 174,843.87
  4. Step 4: Simplify right side
    310,818.03x = 74,999,936,572.81
  5. Step 5: Solve for x
    x = 74,999,936,572.81/310,818.03
  6. Step 6: Final answer
    x = 241,298.54

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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.