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Finding the Fourth Proportional to 348,333.08, 480,704.63 and 260,963.37

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Solution

The fourth proportional to 348,333.08, 480,704.63 and 260,963.37 is: 360,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,333.08 : 480,704.63 = 260,963.37 : x
  2. Step 2: Convert to fraction form
    348,333.08/480,704.63 = 260,963.37/x
  3. Step 3: Cross multiply
    348,333.08x = 480,704.63 × 260,963.37
  4. Step 4: Simplify right side
    348,333.08x = 125,446,298,914.59
  5. Step 5: Solve for x
    x = 125,446,298,914.59/348,333.08
  6. Step 6: Final answer
    x = 360,133.18

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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.