Home / 830,238.65-1,245,390.77-231,252.15

Finding the Fourth Proportional to 830,238.65, 1,245,390.77 and 231,252.15

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Solution

The fourth proportional to 830,238.65, 1,245,390.77 and 231,252.15 is: 346,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,238.65 : 1,245,390.77 = 231,252.15 : x
  2. Step 2: Convert to fraction form
    830,238.65/1,245,390.77 = 231,252.15/x
  3. Step 3: Cross multiply
    830,238.65x = 1,245,390.77 × 231,252.15
  4. Step 4: Simplify right side
    830,238.65x = 287,999,291,996.40
  5. Step 5: Solve for x
    x = 287,999,291,996.40/830,238.65
  6. Step 6: Final answer
    x = 346,887.36

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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.