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Finding the Fourth Proportional to 242,866.04, 335,156.52 and 135,440.60

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Solution

The fourth proportional to 242,866.04, 335,156.52 and 135,440.60 is: 186,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,866.04 : 335,156.52 = 135,440.60 : x
  2. Step 2: Convert to fraction form
    242,866.04/335,156.52 = 135,440.60/x
  3. Step 3: Cross multiply
    242,866.04x = 335,156.52 × 135,440.60
  4. Step 4: Simplify right side
    242,866.04x = 45,393,800,162.71
  5. Step 5: Solve for x
    x = 45,393,800,162.71/242,866.04
  6. Step 6: Final answer
    x = 186,908.80

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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.