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Finding the Fourth Proportional to 442,975.80, 611,365.02 and 251,952.30

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Solution

The fourth proportional to 442,975.80, 611,365.02 and 251,952.30 is: 347,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,975.80 : 611,365.02 = 251,952.30 : x
  2. Step 2: Convert to fraction form
    442,975.80/611,365.02 = 251,952.30/x
  3. Step 3: Cross multiply
    442,975.80x = 611,365.02 × 251,952.30
  4. Step 4: Simplify right side
    442,975.80x = 154,034,822,928.55
  5. Step 5: Solve for x
    x = 154,034,822,928.55/442,975.80
  6. Step 6: Final answer
    x = 347,727.40

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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.