Home / 358,428.07-494,626.84-197,279.65

Finding the Fourth Proportional to 358,428.07, 494,626.84 and 197,279.65

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Solution

The fourth proportional to 358,428.07, 494,626.84 and 197,279.65 is: 272,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,428.07 : 494,626.84 = 197,279.65 : x
  2. Step 2: Convert to fraction form
    358,428.07/494,626.84 = 197,279.65/x
  3. Step 3: Cross multiply
    358,428.07x = 494,626.84 × 197,279.65
  4. Step 4: Simplify right side
    358,428.07x = 97,579,810,000.89
  5. Step 5: Solve for x
    x = 97,579,810,000.89/358,428.07
  6. Step 6: Final answer
    x = 272,243.77

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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.