Home / 288,397.02-397,985.62-167,609.02

Finding the Fourth Proportional to 288,397.02, 397,985.62 and 167,609.02

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Solution

The fourth proportional to 288,397.02, 397,985.62 and 167,609.02 is: 231,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,397.02 : 397,985.62 = 167,609.02 : x
  2. Step 2: Convert to fraction form
    288,397.02/397,985.62 = 167,609.02/x
  3. Step 3: Cross multiply
    288,397.02x = 397,985.62 × 167,609.02
  4. Step 4: Simplify right side
    288,397.02x = 66,705,979,742.29
  5. Step 5: Solve for x
    x = 66,705,979,742.29/288,397.02
  6. Step 6: Final answer
    x = 231,299.13

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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.