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Finding the Fourth Proportional to 368,562.03, 508,807.62 and 248,335.35

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Solution

The fourth proportional to 368,562.03, 508,807.62 and 248,335.35 is: 342,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,562.03 : 508,807.62 = 248,335.35 : x
  2. Step 2: Convert to fraction form
    368,562.03/508,807.62 = 248,335.35/x
  3. Step 3: Cross multiply
    368,562.03x = 508,807.62 × 248,335.35
  4. Step 4: Simplify right side
    368,562.03x = 126,354,918,395.37
  5. Step 5: Solve for x
    x = 126,354,918,395.37/368,562.03
  6. Step 6: Final answer
    x = 342,832.16

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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.