Home / 445,835.20-615,252.52-254,852.72

Finding the Fourth Proportional to 445,835.20, 615,252.52 and 254,852.72

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Solution

The fourth proportional to 445,835.20, 615,252.52 and 254,852.72 is: 351,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,835.20 : 615,252.52 = 254,852.72 : x
  2. Step 2: Convert to fraction form
    445,835.20/615,252.52 = 254,852.72/x
  3. Step 3: Cross multiply
    445,835.20x = 615,252.52 × 254,852.72
  4. Step 4: Simplify right side
    445,835.20x = 156,798,778,208.85
  5. Step 5: Solve for x
    x = 156,798,778,208.85/445,835.20
  6. Step 6: Final answer
    x = 351,696.72

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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.