Home / 287,798.22-397,064.82-166,895.40

Finding the Fourth Proportional to 287,798.22, 397,064.82 and 166,895.40

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Solution

The fourth proportional to 287,798.22, 397,064.82 and 166,895.40 is: 230,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,798.22 : 397,064.82 = 166,895.40 : x
  2. Step 2: Convert to fraction form
    287,798.22/397,064.82 = 166,895.40/x
  3. Step 3: Cross multiply
    287,798.22x = 397,064.82 × 166,895.40
  4. Step 4: Simplify right side
    287,798.22x = 66,268,291,959.83
  5. Step 5: Solve for x
    x = 66,268,291,959.83/287,798.22
  6. Step 6: Final answer
    x = 230,259.56

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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.