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Finding the Fourth Proportional to 313,737.57, 432,960.59 and 170,497.64

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Solution

The fourth proportional to 313,737.57, 432,960.59 and 170,497.64 is: 235,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,737.57 : 432,960.59 = 170,497.64 : x
  2. Step 2: Convert to fraction form
    313,737.57/432,960.59 = 170,497.64/x
  3. Step 3: Cross multiply
    313,737.57x = 432,960.59 × 170,497.64
  4. Step 4: Simplify right side
    313,737.57x = 73,818,760,316.65
  5. Step 5: Solve for x
    x = 73,818,760,316.65/313,737.57
  6. Step 6: Final answer
    x = 235,288.24

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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.