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Finding the Fourth Proportional to 427,816, 590,541.60 and 248,968

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Solution

The fourth proportional to 427,816, 590,541.60 and 248,968 is: 343,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,816 : 590,541.60 = 248,968 : x
  2. Step 2: Convert to fraction form
    427,816/590,541.60 = 248,968/x
  3. Step 3: Cross multiply
    427,816x = 590,541.60 × 248,968
  4. Step 4: Simplify right side
    427,816x = 147,025,961,068.80
  5. Step 5: Solve for x
    x = 147,025,961,068.80/427,816
  6. Step 6: Final answer
    x = 343,666.35

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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.