Home / 358,427.13-494,623.44-197,278.89

Finding the Fourth Proportional to 358,427.13, 494,623.44 and 197,278.89

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Solution

The fourth proportional to 358,427.13, 494,623.44 and 197,278.89 is: 272,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,427.13 : 494,623.44 = 197,278.89 : x
  2. Step 2: Convert to fraction form
    358,427.13/494,623.44 = 197,278.89/x
  3. Step 3: Cross multiply
    358,427.13x = 494,623.44 × 197,278.89
  4. Step 4: Simplify right side
    358,427.13x = 97,578,763,211.18
  5. Step 5: Solve for x
    x = 97,578,763,211.18/358,427.13
  6. Step 6: Final answer
    x = 272,241.57

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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.