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Finding the Fourth Proportional to 347,955.84, 480,410.36 and 267,239.16

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Solution

The fourth proportional to 347,955.84, 480,410.36 and 267,239.16 is: 368,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,955.84 : 480,410.36 = 267,239.16 : x
  2. Step 2: Convert to fraction form
    347,955.84/480,410.36 = 267,239.16/x
  3. Step 3: Cross multiply
    347,955.84x = 480,410.36 × 267,239.16
  4. Step 4: Simplify right side
    347,955.84x = 128,384,461,061.70
  5. Step 5: Solve for x
    x = 128,384,461,061.70/347,955.84
  6. Step 6: Final answer
    x = 368,967.69

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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.