Home / 242,815.04-335,086.02-135,389.60

Finding the Fourth Proportional to 242,815.04, 335,086.02 and 135,389.60

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Solution

The fourth proportional to 242,815.04, 335,086.02 and 135,389.60 is: 186,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,815.04 : 335,086.02 = 135,389.60 : x
  2. Step 2: Convert to fraction form
    242,815.04/335,086.02 = 135,389.60/x
  3. Step 3: Cross multiply
    242,815.04x = 335,086.02 × 135,389.60
  4. Step 4: Simplify right side
    242,815.04x = 45,367,162,213.39
  5. Step 5: Solve for x
    x = 45,367,162,213.39/242,815.04
  6. Step 6: Final answer
    x = 186,838.35

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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.