Home / 310,845.48-428,982.52-183,518.34

Finding the Fourth Proportional to 310,845.48, 428,982.52 and 183,518.34

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Solution

The fourth proportional to 310,845.48, 428,982.52 and 183,518.34 is: 253,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,845.48 : 428,982.52 = 183,518.34 : x
  2. Step 2: Convert to fraction form
    310,845.48/428,982.52 = 183,518.34/x
  3. Step 3: Cross multiply
    310,845.48x = 428,982.52 × 183,518.34
  4. Step 4: Simplify right side
    310,845.48x = 78,726,159,959.42
  5. Step 5: Solve for x
    x = 78,726,159,959.42/310,845.48
  6. Step 6: Final answer
    x = 253,264.61

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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.