Home / 274,319.75-378,561.82-153,463.06

Finding the Fourth Proportional to 274,319.75, 378,561.82 and 153,463.06

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Solution

The fourth proportional to 274,319.75, 378,561.82 and 153,463.06 is: 211,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,319.75 : 378,561.82 = 153,463.06 : x
  2. Step 2: Convert to fraction form
    274,319.75/378,561.82 = 153,463.06/x
  3. Step 3: Cross multiply
    274,319.75x = 378,561.82 × 153,463.06
  4. Step 4: Simplify right side
    274,319.75x = 58,095,254,912.71
  5. Step 5: Solve for x
    x = 58,095,254,912.71/274,319.75
  6. Step 6: Final answer
    x = 211,779.34

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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.