Home / 283,267.62-390,911.94-155,945.34

Finding the Fourth Proportional to 283,267.62, 390,911.94 and 155,945.34

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Solution

The fourth proportional to 283,267.62, 390,911.94 and 155,945.34 is: 215,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,267.62 : 390,911.94 = 155,945.34 : x
  2. Step 2: Convert to fraction form
    283,267.62/390,911.94 = 155,945.34/x
  3. Step 3: Cross multiply
    283,267.62x = 390,911.94 × 155,945.34
  4. Step 4: Simplify right side
    283,267.62x = 60,960,895,393.36
  5. Step 5: Solve for x
    x = 60,960,895,393.36/283,267.62
  6. Step 6: Final answer
    x = 215,206.01

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1.5x scale

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.