Home / 389,004.48-536,878.80-227,923.83

Finding the Fourth Proportional to 389,004.48, 536,878.80 and 227,923.83

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Solution

The fourth proportional to 389,004.48, 536,878.80 and 227,923.83 is: 314,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,004.48 : 536,878.80 = 227,923.83 : x
  2. Step 2: Convert to fraction form
    389,004.48/536,878.80 = 227,923.83/x
  3. Step 3: Cross multiply
    389,004.48x = 536,878.80 × 227,923.83
  4. Step 4: Simplify right side
    389,004.48x = 122,367,472,341.80
  5. Step 5: Solve for x
    x = 122,367,472,341.80/389,004.48
  6. Step 6: Final answer
    x = 314,565.71

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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.