Home / 242,719.44-334,963.20-135,289.44

Finding the Fourth Proportional to 242,719.44, 334,963.20 and 135,289.44

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Solution

The fourth proportional to 242,719.44, 334,963.20 and 135,289.44 is: 186,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,719.44 : 334,963.20 = 135,289.44 : x
  2. Step 2: Convert to fraction form
    242,719.44/334,963.20 = 135,289.44/x
  3. Step 3: Cross multiply
    242,719.44x = 334,963.20 × 135,289.44
  4. Step 4: Simplify right side
    242,719.44x = 45,316,983,748.61
  5. Step 5: Solve for x
    x = 45,316,983,748.61/242,719.44
  6. Step 6: Final answer
    x = 186,705.21

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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.