Home / 358,307.38-494,211.27-243,518.65

Finding the Fourth Proportional to 358,307.38, 494,211.27 and 243,518.65

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Solution

The fourth proportional to 358,307.38, 494,211.27 and 243,518.65 is: 335,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307.38 : 494,211.27 = 243,518.65 : x
  2. Step 2: Convert to fraction form
    358,307.38/494,211.27 = 243,518.65/x
  3. Step 3: Cross multiply
    358,307.38x = 494,211.27 × 243,518.65
  4. Step 4: Simplify right side
    358,307.38x = 120,349,661,285.19
  5. Step 5: Solve for x
    x = 120,349,661,285.19/358,307.38
  6. Step 6: Final answer
    x = 335,883.85

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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.