Home / 252,289.30-378,005.72-152,239.28

Finding the Fourth Proportional to 252,289.30, 378,005.72 and 152,239.28

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Solution

The fourth proportional to 252,289.30, 378,005.72 and 152,239.28 is: 228,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,289.30 : 378,005.72 = 152,239.28 : x
  2. Step 2: Convert to fraction form
    252,289.30/378,005.72 = 152,239.28/x
  3. Step 3: Cross multiply
    252,289.30x = 378,005.72 × 152,239.28
  4. Step 4: Simplify right side
    252,289.30x = 57,547,318,648.68
  5. Step 5: Solve for x
    x = 57,547,318,648.68/252,289.30
  6. Step 6: Final answer
    x = 228,100.51

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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.