Home / 389,695.86-584,566.47-109,234.98

Finding the Fourth Proportional to 389,695.86, 584,566.47 and 109,234.98

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Solution

The fourth proportional to 389,695.86, 584,566.47 and 109,234.98 is: 163,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,695.86 : 584,566.47 = 109,234.98 : x
  2. Step 2: Convert to fraction form
    389,695.86/584,566.47 = 109,234.98/x
  3. Step 3: Cross multiply
    389,695.86x = 584,566.47 × 109,234.98
  4. Step 4: Simplify right side
    389,695.86x = 63,855,106,659.12
  5. Step 5: Solve for x
    x = 63,855,106,659.12/389,695.86
  6. Step 6: Final answer
    x = 163,858.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.