Home / 316,330.45-436,536.02-173,090.49

Finding the Fourth Proportional to 316,330.45, 436,536.02 and 173,090.49

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Solution

The fourth proportional to 316,330.45, 436,536.02 and 173,090.49 is: 238,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,330.45 : 436,536.02 = 173,090.49 : x
  2. Step 2: Convert to fraction form
    316,330.45/436,536.02 = 173,090.49/x
  3. Step 3: Cross multiply
    316,330.45x = 436,536.02 × 173,090.49
  4. Step 4: Simplify right side
    316,330.45x = 75,560,233,604.45
  5. Step 5: Solve for x
    x = 75,560,233,604.45/316,330.45
  6. Step 6: Final answer
    x = 238,864.88

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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.