Home / 401,089.86-553,519.15-229,035.83

Finding the Fourth Proportional to 401,089.86, 553,519.15 and 229,035.83

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Solution

The fourth proportional to 401,089.86, 553,519.15 and 229,035.83 is: 316,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,089.86 : 553,519.15 = 229,035.83 : x
  2. Step 2: Convert to fraction form
    401,089.86/553,519.15 = 229,035.83/x
  3. Step 3: Cross multiply
    401,089.86x = 553,519.15 × 229,035.83
  4. Step 4: Simplify right side
    401,089.86x = 126,775,714,600.96
  5. Step 5: Solve for x
    x = 126,775,714,600.96/401,089.86
  6. Step 6: Final answer
    x = 316,078.08

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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.