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Finding the Fourth Proportional to 444,168.48, 666,547.96 and 207,529.60

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Solution

The fourth proportional to 444,168.48, 666,547.96 and 207,529.60 is: 311,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,168.48 : 666,547.96 = 207,529.60 : x
  2. Step 2: Convert to fraction form
    444,168.48/666,547.96 = 207,529.60/x
  3. Step 3: Cross multiply
    444,168.48x = 666,547.96 × 207,529.60
  4. Step 4: Simplify right side
    444,168.48x = 138,328,431,519.62
  5. Step 5: Solve for x
    x = 138,328,431,519.62/444,168.48
  6. Step 6: Final answer
    x = 311,432.35

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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.