Home / 312,200.16-430,836.21-168,960.17

Finding the Fourth Proportional to 312,200.16, 430,836.21 and 168,960.17

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Solution

The fourth proportional to 312,200.16, 430,836.21 and 168,960.17 is: 233,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,200.16 : 430,836.21 = 168,960.17 : x
  2. Step 2: Convert to fraction form
    312,200.16/430,836.21 = 168,960.17/x
  3. Step 3: Cross multiply
    312,200.16x = 430,836.21 × 168,960.17
  4. Step 4: Simplify right side
    312,200.16x = 72,794,157,129.57
  5. Step 5: Solve for x
    x = 72,794,157,129.57/312,200.16
  6. Step 6: Final answer
    x = 233,165.02

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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.