Home / 316,146.51-436,273.29-172,903.50

Finding the Fourth Proportional to 316,146.51, 436,273.29 and 172,903.50

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Solution

The fourth proportional to 316,146.51, 436,273.29 and 172,903.50 is: 238,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,146.51 : 436,273.29 = 172,903.50 : x
  2. Step 2: Convert to fraction form
    316,146.51/436,273.29 = 172,903.50/x
  3. Step 3: Cross multiply
    316,146.51x = 436,273.29 × 172,903.50
  4. Step 4: Simplify right side
    316,146.51x = 75,433,178,797.52
  5. Step 5: Solve for x
    x = 75,433,178,797.52/316,146.51
  6. Step 6: Final answer
    x = 238,601.97

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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.