Home / 283,269.62-390,914.70-155,947.34

Finding the Fourth Proportional to 283,269.62, 390,914.70 and 155,947.34

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Solution

The fourth proportional to 283,269.62, 390,914.70 and 155,947.34 is: 215,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,269.62 : 390,914.70 = 155,947.34 : x
  2. Step 2: Convert to fraction form
    283,269.62/390,914.70 = 155,947.34/x
  3. Step 3: Cross multiply
    283,269.62x = 390,914.70 × 155,947.34
  4. Step 4: Simplify right side
    283,269.62x = 60,962,107,631.90
  5. Step 5: Solve for x
    x = 60,962,107,631.90/283,269.62
  6. Step 6: Final answer
    x = 215,208.77

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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.