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Finding the Fourth Proportional to 370,874.48, 556,065.96 and 134,186

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Solution

The fourth proportional to 370,874.48, 556,065.96 and 134,186 is: 201,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,874.48 : 556,065.96 = 134,186 : x
  2. Step 2: Convert to fraction form
    370,874.48/556,065.96 = 134,186/x
  3. Step 3: Cross multiply
    370,874.48x = 556,065.96 × 134,186
  4. Step 4: Simplify right side
    370,874.48x = 74,616,266,908.56
  5. Step 5: Solve for x
    x = 74,616,266,908.56/370,874.48
  6. Step 6: Final answer
    x = 201,190.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.