Home / 358,475.20-494,709.86-197,345.22

Finding the Fourth Proportional to 358,475.20, 494,709.86 and 197,345.22

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Solution

The fourth proportional to 358,475.20, 494,709.86 and 197,345.22 is: 272,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,475.20 : 494,709.86 = 197,345.22 : x
  2. Step 2: Convert to fraction form
    358,475.20/494,709.86 = 197,345.22/x
  3. Step 3: Cross multiply
    358,475.20x = 494,709.86 × 197,345.22
  4. Step 4: Simplify right side
    358,475.20x = 97,628,626,157.87
  5. Step 5: Solve for x
    x = 97,628,626,157.87/358,475.20
  6. Step 6: Final answer
    x = 272,344.16

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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.