Home / 240,319.91-331,640.63-135,535.55

Finding the Fourth Proportional to 240,319.91, 331,640.63 and 135,535.55

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Solution

The fourth proportional to 240,319.91, 331,640.63 and 135,535.55 is: 187,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,319.91 : 331,640.63 = 135,535.55 : x
  2. Step 2: Convert to fraction form
    240,319.91/331,640.63 = 135,535.55/x
  3. Step 3: Cross multiply
    240,319.91x = 331,640.63 × 135,535.55
  4. Step 4: Simplify right side
    240,319.91x = 44,949,093,361.77
  5. Step 5: Solve for x
    x = 44,949,093,361.77/240,319.91
  6. Step 6: Final answer
    x = 187,038.57

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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.