Home / 398,233.80-549,566.40-226,155.33

Finding the Fourth Proportional to 398,233.80, 549,566.40 and 226,155.33

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Solution

The fourth proportional to 398,233.80, 549,566.40 and 226,155.33 is: 312,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,233.80 : 549,566.40 = 226,155.33 : x
  2. Step 2: Convert to fraction form
    398,233.80/549,566.40 = 226,155.33/x
  3. Step 3: Cross multiply
    398,233.80x = 549,566.40 × 226,155.33
  4. Step 4: Simplify right side
    398,233.80x = 124,287,370,548.91
  5. Step 5: Solve for x
    x = 124,287,370,548.91/398,233.80
  6. Step 6: Final answer
    x = 312,096.49

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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.