Home / 274,490.03-378,709.90-153,612.11

Finding the Fourth Proportional to 274,490.03, 378,709.90 and 153,612.11

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Solution

The fourth proportional to 274,490.03, 378,709.90 and 153,612.11 is: 211,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,490.03 : 378,709.90 = 153,612.11 : x
  2. Step 2: Convert to fraction form
    274,490.03/378,709.90 = 153,612.11/x
  3. Step 3: Cross multiply
    274,490.03x = 378,709.90 × 153,612.11
  4. Step 4: Simplify right side
    274,490.03x = 58,174,427,379.63
  5. Step 5: Solve for x
    x = 58,174,427,379.63/274,490.03
  6. Step 6: Final answer
    x = 211,936.39

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1.5x scale

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.