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Finding the Fourth Proportional to 482,297.28, 665,579.40 and 264,492.16

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Solution

The fourth proportional to 482,297.28, 665,579.40 and 264,492.16 is: 365,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,297.28 : 665,579.40 = 264,492.16 : x
  2. Step 2: Convert to fraction form
    482,297.28/665,579.40 = 264,492.16/x
  3. Step 3: Cross multiply
    482,297.28x = 665,579.40 × 264,492.16
  4. Step 4: Simplify right side
    482,297.28x = 176,040,533,157.50
  5. Step 5: Solve for x
    x = 176,040,533,157.50/482,297.28
  6. Step 6: Final answer
    x = 365,004.20

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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.