Home / 628,117.52-942,181.98-178,838.06

Finding the Fourth Proportional to 628,117.52, 942,181.98 and 178,838.06

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Solution

The fourth proportional to 628,117.52, 942,181.98 and 178,838.06 is: 268,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,117.52 : 942,181.98 = 178,838.06 : x
  2. Step 2: Convert to fraction form
    628,117.52/942,181.98 = 178,838.06/x
  3. Step 3: Cross multiply
    628,117.52x = 942,181.98 × 178,838.06
  4. Step 4: Simplify right side
    628,117.52x = 168,497,997,470.16
  5. Step 5: Solve for x
    x = 168,497,997,470.16/628,117.52
  6. Step 6: Final answer
    x = 268,258.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.