Home / 312,243.42-430,895.58-169,003.23

Finding the Fourth Proportional to 312,243.42, 430,895.58 and 169,003.23

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Solution

The fourth proportional to 312,243.42, 430,895.58 and 169,003.23 is: 233,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,243.42 : 430,895.58 = 169,003.23 : x
  2. Step 2: Convert to fraction form
    312,243.42/430,895.58 = 169,003.23/x
  3. Step 3: Cross multiply
    312,243.42x = 430,895.58 × 169,003.23
  4. Step 4: Simplify right side
    312,243.42x = 72,822,744,812.72
  5. Step 5: Solve for x
    x = 72,822,744,812.72/312,243.42
  6. Step 6: Final answer
    x = 233,224.27

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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.