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Finding the Fourth Proportional to 497,352.72, 686,346.24 and 270,998.16

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Solution

The fourth proportional to 497,352.72, 686,346.24 and 270,998.16 is: 373,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,352.72 : 686,346.24 = 270,998.16 : x
  2. Step 2: Convert to fraction form
    497,352.72/686,346.24 = 270,998.16/x
  3. Step 3: Cross multiply
    497,352.72x = 686,346.24 × 270,998.16
  4. Step 4: Simplify right side
    497,352.72x = 185,998,568,162.92
  5. Step 5: Solve for x
    x = 185,998,568,162.92/497,352.72
  6. Step 6: Final answer
    x = 373,977.18

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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.