Home / 316,432.62-436,678.02-173,201.94

Finding the Fourth Proportional to 316,432.62, 436,678.02 and 173,201.94

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Solution

The fourth proportional to 316,432.62, 436,678.02 and 173,201.94 is: 239,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,432.62 : 436,678.02 = 173,201.94 : x
  2. Step 2: Convert to fraction form
    316,432.62/436,678.02 = 173,201.94/x
  3. Step 3: Cross multiply
    316,432.62x = 436,678.02 × 173,201.94
  4. Step 4: Simplify right side
    316,432.62x = 75,633,480,219.36
  5. Step 5: Solve for x
    x = 75,633,480,219.36/316,432.62
  6. Step 6: Final answer
    x = 239,019.23

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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.