Home / 338,184.06-465,631.77-287,090.88

Finding the Fourth Proportional to 338,184.06, 465,631.77 and 287,090.88

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Solution

The fourth proportional to 338,184.06, 465,631.77 and 287,090.88 is: 395,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,184.06 : 465,631.77 = 287,090.88 : x
  2. Step 2: Convert to fraction form
    338,184.06/465,631.77 = 287,090.88/x
  3. Step 3: Cross multiply
    338,184.06x = 465,631.77 × 287,090.88
  4. Step 4: Simplify right side
    338,184.06x = 133,678,634,605.26
  5. Step 5: Solve for x
    x = 133,678,634,605.26/338,184.06
  6. Step 6: Final answer
    x = 395,283.66

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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.