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Finding the Fourth Proportional to 264,088.76, 364,447.15 and 143,234.06

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Solution

The fourth proportional to 264,088.76, 364,447.15 and 143,234.06 is: 197,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,088.76 : 364,447.15 = 143,234.06 : x
  2. Step 2: Convert to fraction form
    264,088.76/364,447.15 = 143,234.06/x
  3. Step 3: Cross multiply
    264,088.76x = 364,447.15 × 143,234.06
  4. Step 4: Simplify right side
    264,088.76x = 52,201,242,769.61
  5. Step 5: Solve for x
    x = 52,201,242,769.61/264,088.76
  6. Step 6: Final answer
    x = 197,665.53

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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.