Home / 358,426.63-494,622.75-197,278.39

Finding the Fourth Proportional to 358,426.63, 494,622.75 and 197,278.39

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Solution

The fourth proportional to 358,426.63, 494,622.75 and 197,278.39 is: 272,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,426.63 : 494,622.75 = 197,278.39 : x
  2. Step 2: Convert to fraction form
    358,426.63/494,622.75 = 197,278.39/x
  3. Step 3: Cross multiply
    358,426.63x = 494,622.75 × 197,278.39
  4. Step 4: Simplify right side
    358,426.63x = 97,578,379,777.37
  5. Step 5: Solve for x
    x = 97,578,379,777.37/358,426.63
  6. Step 6: Final answer
    x = 272,240.88

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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.