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Finding the Fourth Proportional to 512,061.60, 768,092.40 and 302,109.60

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Solution

The fourth proportional to 512,061.60, 768,092.40 and 302,109.60 is: 453,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,061.60 : 768,092.40 = 302,109.60 : x
  2. Step 2: Convert to fraction form
    512,061.60/768,092.40 = 302,109.60/x
  3. Step 3: Cross multiply
    512,061.60x = 768,092.40 × 302,109.60
  4. Step 4: Simplify right side
    512,061.60x = 232,048,087,727.04
  5. Step 5: Solve for x
    x = 232,048,087,727.04/512,061.60
  6. Step 6: Final answer
    x = 453,164.40

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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.