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Finding the Fourth Proportional to 242,735.58, 335,118.63 and 215,803.56

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Solution

The fourth proportional to 242,735.58, 335,118.63 and 215,803.56 is: 297,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,735.58 : 335,118.63 = 215,803.56 : x
  2. Step 2: Convert to fraction form
    242,735.58/335,118.63 = 215,803.56/x
  3. Step 3: Cross multiply
    242,735.58x = 335,118.63 × 215,803.56
  4. Step 4: Simplify right side
    242,735.58x = 72,319,792,050.57
  5. Step 5: Solve for x
    x = 72,319,792,050.57/242,735.58
  6. Step 6: Final answer
    x = 297,936.51

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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.