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Finding the Fourth Proportional to 242,533.31, 334,706.31 and 135,103.41

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Solution

The fourth proportional to 242,533.31, 334,706.31 and 135,103.41 is: 186,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,533.31 : 334,706.31 = 135,103.41 : x
  2. Step 2: Convert to fraction form
    242,533.31/334,706.31 = 135,103.41/x
  3. Step 3: Cross multiply
    242,533.31x = 334,706.31 × 135,103.41
  4. Step 4: Simplify right side
    242,533.31x = 45,219,963,829.52
  5. Step 5: Solve for x
    x = 45,219,963,829.52/242,533.31
  6. Step 6: Final answer
    x = 186,448.47

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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.