Home / 287,888.24-397,157.31-166,959.50

Finding the Fourth Proportional to 287,888.24, 397,157.31 and 166,959.50

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Solution

The fourth proportional to 287,888.24, 397,157.31 and 166,959.50 is: 230,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,888.24 : 397,157.31 = 166,959.50 : x
  2. Step 2: Convert to fraction form
    287,888.24/397,157.31 = 166,959.50/x
  3. Step 3: Cross multiply
    287,888.24x = 397,157.31 × 166,959.50
  4. Step 4: Simplify right side
    287,888.24x = 66,309,183,913.16
  5. Step 5: Solve for x
    x = 66,309,183,913.16/287,888.24
  6. Step 6: Final answer
    x = 230,329.60

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1.5x scale

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.