Home / 300,918.20-415,157.28-180,062.96

Finding the Fourth Proportional to 300,918.20, 415,157.28 and 180,062.96

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Solution

The fourth proportional to 300,918.20, 415,157.28 and 180,062.96 is: 248,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,918.20 : 415,157.28 = 180,062.96 : x
  2. Step 2: Convert to fraction form
    300,918.20/415,157.28 = 180,062.96/x
  3. Step 3: Cross multiply
    300,918.20x = 415,157.28 × 180,062.96
  4. Step 4: Simplify right side
    300,918.20x = 74,754,448,702.35
  5. Step 5: Solve for x
    x = 74,754,448,702.35/300,918.20
  6. Step 6: Final answer
    x = 248,421.16

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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.