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Finding the Fourth Proportional to 347,583.42, 479,881.80 and 266,850.18

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Solution

The fourth proportional to 347,583.42, 479,881.80 and 266,850.18 is: 368,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,583.42 : 479,881.80 = 266,850.18 : x
  2. Step 2: Convert to fraction form
    347,583.42/479,881.80 = 266,850.18/x
  3. Step 3: Cross multiply
    347,583.42x = 479,881.80 × 266,850.18
  4. Step 4: Simplify right side
    347,583.42x = 128,056,544,708.72
  5. Step 5: Solve for x
    x = 128,056,544,708.72/347,583.42
  6. Step 6: Final answer
    x = 368,419.60

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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.