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Finding the Fourth Proportional to 270,374.20, 405,561.30 and 270,374.20

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Solution

The fourth proportional to 270,374.20, 405,561.30 and 270,374.20 is: 405,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,374.20 : 405,561.30 = 270,374.20 : x
  2. Step 2: Convert to fraction form
    270,374.20/405,561.30 = 270,374.20/x
  3. Step 3: Cross multiply
    270,374.20x = 405,561.30 × 270,374.20
  4. Step 4: Simplify right side
    270,374.20x = 109,653,312,038.46
  5. Step 5: Solve for x
    x = 109,653,312,038.46/270,374.20
  6. Step 6: Final answer
    x = 405,561.30

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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.