Home / 310,741.25-428,818.67-174,775.13

Finding the Fourth Proportional to 310,741.25, 428,818.67 and 174,775.13

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Solution

The fourth proportional to 310,741.25, 428,818.67 and 174,775.13 is: 241,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,741.25 : 428,818.67 = 174,775.13 : x
  2. Step 2: Convert to fraction form
    310,741.25/428,818.67 = 174,775.13/x
  3. Step 3: Cross multiply
    310,741.25x = 428,818.67 × 174,775.13
  4. Step 4: Simplify right side
    310,741.25x = 74,946,838,041.18
  5. Step 5: Solve for x
    x = 74,946,838,041.18/310,741.25
  6. Step 6: Final answer
    x = 241,187.29

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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.