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Finding the Fourth Proportional to 270,234.36, 372,960.45 and 155,510.64

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Solution

The fourth proportional to 270,234.36, 372,960.45 and 155,510.64 is: 214,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,234.36 : 372,960.45 = 155,510.64 : x
  2. Step 2: Convert to fraction form
    270,234.36/372,960.45 = 155,510.64/x
  3. Step 3: Cross multiply
    270,234.36x = 372,960.45 × 155,510.64
  4. Step 4: Simplify right side
    270,234.36x = 57,999,318,274.19
  5. Step 5: Solve for x
    x = 57,999,318,274.19/270,234.36
  6. Step 6: Final answer
    x = 214,625.99

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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.