Home / 242,450.55-334,557.81-135,030.58

Finding the Fourth Proportional to 242,450.55, 334,557.81 and 135,030.58

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Solution

The fourth proportional to 242,450.55, 334,557.81 and 135,030.58 is: 186,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,450.55 : 334,557.81 = 135,030.58 : x
  2. Step 2: Convert to fraction form
    242,450.55/334,557.81 = 135,030.58/x
  3. Step 3: Cross multiply
    242,450.55x = 334,557.81 × 135,030.58
  4. Step 4: Simplify right side
    242,450.55x = 45,175,534,291.44
  5. Step 5: Solve for x
    x = 45,175,534,291.44/242,450.55
  6. Step 6: Final answer
    x = 186,328.86

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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.