Home / 207,345.24-310,519.52-118,328.86

Finding the Fourth Proportional to 207,345.24, 310,519.52 and 118,328.86

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Solution

The fourth proportional to 207,345.24, 310,519.52 and 118,328.86 is: 177,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,345.24 : 310,519.52 = 118,328.86 : x
  2. Step 2: Convert to fraction form
    207,345.24/310,519.52 = 118,328.86/x
  3. Step 3: Cross multiply
    207,345.24x = 310,519.52 × 118,328.86
  4. Step 4: Simplify right side
    207,345.24x = 36,743,420,809.35
  5. Step 5: Solve for x
    x = 36,743,420,809.35/207,345.24
  6. Step 6: Final answer
    x = 177,208.89

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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.