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Finding the Fourth Proportional to 285,027.60, 393,264.27 and 170,259.27

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Solution

The fourth proportional to 285,027.60, 393,264.27 and 170,259.27 is: 234,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,027.60 : 393,264.27 = 170,259.27 : x
  2. Step 2: Convert to fraction form
    285,027.60/393,264.27 = 170,259.27/x
  3. Step 3: Cross multiply
    285,027.60x = 393,264.27 × 170,259.27
  4. Step 4: Simplify right side
    285,027.60x = 66,956,887,527.28
  5. Step 5: Solve for x
    x = 66,956,887,527.28/285,027.60
  6. Step 6: Final answer
    x = 234,913.70

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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.