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Finding the Fourth Proportional to 637,670.14, 956,279.76 and 188,270.80

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Solution

The fourth proportional to 637,670.14, 956,279.76 and 188,270.80 is: 282,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,670.14 : 956,279.76 = 188,270.80 : x
  2. Step 2: Convert to fraction form
    637,670.14/956,279.76 = 188,270.80/x
  3. Step 3: Cross multiply
    637,670.14x = 956,279.76 × 188,270.80
  4. Step 4: Simplify right side
    637,670.14x = 180,039,555,439.01
  5. Step 5: Solve for x
    x = 180,039,555,439.01/637,670.14
  6. Step 6: Final answer
    x = 282,339.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.