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Finding the Fourth Proportional to 207,088.16, 310,176.90 and 171,142.08

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Solution

The fourth proportional to 207,088.16, 310,176.90 and 171,142.08 is: 256,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,088.16 : 310,176.90 = 171,142.08 : x
  2. Step 2: Convert to fraction form
    207,088.16/310,176.90 = 171,142.08/x
  3. Step 3: Cross multiply
    207,088.16x = 310,176.90 × 171,142.08
  4. Step 4: Simplify right side
    207,088.16x = 53,084,319,833.95
  5. Step 5: Solve for x
    x = 53,084,319,833.95/207,088.16
  6. Step 6: Final answer
    x = 256,336.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.