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Finding the Fourth Proportional to 348,282, 480,674.52 and 205,055.28

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Solution

The fourth proportional to 348,282, 480,674.52 and 205,055.28 is: 283,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,282 : 480,674.52 = 205,055.28 : x
  2. Step 2: Convert to fraction form
    348,282/480,674.52 = 205,055.28/x
  3. Step 3: Cross multiply
    348,282x = 480,674.52 × 205,055.28
  4. Step 4: Simplify right side
    348,282x = 98,564,848,287.47
  5. Step 5: Solve for x
    x = 98,564,848,287.47/348,282
  6. Step 6: Final answer
    x = 283,002.99

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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.