Home / 288,397.02-397,985.61-167,609.01

Finding the Fourth Proportional to 288,397.02, 397,985.61 and 167,609.01

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Solution

The fourth proportional to 288,397.02, 397,985.61 and 167,609.01 is: 231,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,397.02 : 397,985.61 = 167,609.01 : x
  2. Step 2: Convert to fraction form
    288,397.02/397,985.61 = 167,609.01/x
  3. Step 3: Cross multiply
    288,397.02x = 397,985.61 × 167,609.01
  4. Step 4: Simplify right side
    288,397.02x = 66,705,974,086.35
  5. Step 5: Solve for x
    x = 66,705,974,086.35/288,397.02
  6. Step 6: Final answer
    x = 231,299.11

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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.