Home / 403,824.02-605,714.10-123,319.40

Finding the Fourth Proportional to 403,824.02, 605,714.10 and 123,319.40

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Solution

The fourth proportional to 403,824.02, 605,714.10 and 123,319.40 is: 184,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.02 : 605,714.10 = 123,319.40 : x
  2. Step 2: Convert to fraction form
    403,824.02/605,714.10 = 123,319.40/x
  3. Step 3: Cross multiply
    403,824.02x = 605,714.10 × 123,319.40
  4. Step 4: Simplify right side
    403,824.02x = 74,696,299,383.54
  5. Step 5: Solve for x
    x = 74,696,299,383.54/403,824.02
  6. Step 6: Final answer
    x = 184,972.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.