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Finding the Fourth Proportional to 295,542.72, 407,864.70 and 168,259.32

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Solution

The fourth proportional to 295,542.72, 407,864.70 and 168,259.32 is: 232,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,542.72 : 407,864.70 = 168,259.32 : x
  2. Step 2: Convert to fraction form
    295,542.72/407,864.70 = 168,259.32/x
  3. Step 3: Cross multiply
    295,542.72x = 407,864.70 × 168,259.32
  4. Step 4: Simplify right side
    295,542.72x = 68,627,037,074.00
  5. Step 5: Solve for x
    x = 68,627,037,074.00/295,542.72
  6. Step 6: Final answer
    x = 232,206.83

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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.