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Finding the Fourth Proportional to 275,703.08, 380,614.78 and 185,533.16

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Solution

The fourth proportional to 275,703.08, 380,614.78 and 185,533.16 is: 256,133.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,703.08 : 380,614.78 = 185,533.16 : x
  2. Step 2: Convert to fraction form
    275,703.08/380,614.78 = 185,533.16/x
  3. Step 3: Cross multiply
    275,703.08x = 380,614.78 × 185,533.16
  4. Step 4: Simplify right side
    275,703.08x = 70,616,662,876.10
  5. Step 5: Solve for x
    x = 70,616,662,876.10/275,703.08
  6. Step 6: Final answer
    x = 256,133.02

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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.