Home / 227,412.12-313,702.74-159,530.16

Finding the Fourth Proportional to 227,412.12, 313,702.74 and 159,530.16

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Solution

The fourth proportional to 227,412.12, 313,702.74 and 159,530.16 is: 220,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,412.12 : 313,702.74 = 159,530.16 : x
  2. Step 2: Convert to fraction form
    227,412.12/313,702.74 = 159,530.16/x
  3. Step 3: Cross multiply
    227,412.12x = 313,702.74 × 159,530.16
  4. Step 4: Simplify right side
    227,412.12x = 50,045,048,304.64
  5. Step 5: Solve for x
    x = 50,045,048,304.64/227,412.12
  6. Step 6: Final answer
    x = 220,063.24

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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.