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Finding the Fourth Proportional to 434,975.36, 600,142.65 and 253,695.20

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Solution

The fourth proportional to 434,975.36, 600,142.65 and 253,695.20 is: 350,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,975.36 : 600,142.65 = 253,695.20 : x
  2. Step 2: Convert to fraction form
    434,975.36/600,142.65 = 253,695.20/x
  3. Step 3: Cross multiply
    434,975.36x = 600,142.65 × 253,695.20
  4. Step 4: Simplify right side
    434,975.36x = 152,253,309,620.28
  5. Step 5: Solve for x
    x = 152,253,309,620.28/434,975.36
  6. Step 6: Final answer
    x = 350,027.44

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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.