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Finding the Fourth Proportional to 313,273.92, 432,306.42 and 170,030.89

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Solution

The fourth proportional to 313,273.92, 432,306.42 and 170,030.89 is: 234,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,273.92 : 432,306.42 = 170,030.89 : x
  2. Step 2: Convert to fraction form
    313,273.92/432,306.42 = 170,030.89/x
  3. Step 3: Cross multiply
    313,273.92x = 432,306.42 × 170,030.89
  4. Step 4: Simplify right side
    313,273.92x = 73,505,445,345.31
  5. Step 5: Solve for x
    x = 73,505,445,345.31/313,273.92
  6. Step 6: Final answer
    x = 234,636.34

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1.5x scale

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.