Home / 283,249.48-390,898.32-155,923.72

Finding the Fourth Proportional to 283,249.48, 390,898.32 and 155,923.72

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Solution

The fourth proportional to 283,249.48, 390,898.32 and 155,923.72 is: 215,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,249.48 : 390,898.32 = 155,923.72 : x
  2. Step 2: Convert to fraction form
    283,249.48/390,898.32 = 155,923.72/x
  3. Step 3: Cross multiply
    283,249.48x = 390,898.32 × 155,923.72
  4. Step 4: Simplify right side
    283,249.48x = 60,950,320,196.15
  5. Step 5: Solve for x
    x = 60,950,320,196.15/283,249.48
  6. Step 6: Final answer
    x = 215,182.46

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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.