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Finding the Fourth Proportional to 270,848.01, 406,120.07 and 185,555.22

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Solution

The fourth proportional to 270,848.01, 406,120.07 and 185,555.22 is: 278,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,848.01 : 406,120.07 = 185,555.22 : x
  2. Step 2: Convert to fraction form
    270,848.01/406,120.07 = 185,555.22/x
  3. Step 3: Cross multiply
    270,848.01x = 406,120.07 × 185,555.22
  4. Step 4: Simplify right side
    270,848.01x = 75,357,698,007.49
  5. Step 5: Solve for x
    x = 75,357,698,007.49/270,848.01
  6. Step 6: Final answer
    x = 278,228.73

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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.