Home / 252,180.48-378,015.52-163,490.32

Finding the Fourth Proportional to 252,180.48, 378,015.52 and 163,490.32

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Solution

The fourth proportional to 252,180.48, 378,015.52 and 163,490.32 is: 245,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,180.48 : 378,015.52 = 163,490.32 : x
  2. Step 2: Convert to fraction form
    252,180.48/378,015.52 = 163,490.32/x
  3. Step 3: Cross multiply
    252,180.48x = 378,015.52 × 163,490.32
  4. Step 4: Simplify right side
    252,180.48x = 61,801,878,329.77
  5. Step 5: Solve for x
    x = 61,801,878,329.77/252,180.48
  6. Step 6: Final answer
    x = 245,070.03

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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.