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Finding the Fourth Proportional to 295,282.70, 442,924.05 and 162,572.30

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Solution

The fourth proportional to 295,282.70, 442,924.05 and 162,572.30 is: 243,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,282.70 : 442,924.05 = 162,572.30 : x
  2. Step 2: Convert to fraction form
    295,282.70/442,924.05 = 162,572.30/x
  3. Step 3: Cross multiply
    295,282.70x = 442,924.05 × 162,572.30
  4. Step 4: Simplify right side
    295,282.70x = 72,007,181,533.82
  5. Step 5: Solve for x
    x = 72,007,181,533.82/295,282.70
  6. Step 6: Final answer
    x = 243,858.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.