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Finding the Fourth Proportional to 243,289.53, 335,623.05 and 152,600.09

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Solution

The fourth proportional to 243,289.53, 335,623.05 and 152,600.09 is: 210,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,289.53 : 335,623.05 = 152,600.09 : x
  2. Step 2: Convert to fraction form
    243,289.53/335,623.05 = 152,600.09/x
  3. Step 3: Cross multiply
    243,289.53x = 335,623.05 × 152,600.09
  4. Step 4: Simplify right side
    243,289.53x = 51,216,105,957.96
  5. Step 5: Solve for x
    x = 51,216,105,957.96/243,289.53
  6. Step 6: Final answer
    x = 210,515.04

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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.