Home / 440,739.02-608,256.74-247,143.66

Finding the Fourth Proportional to 440,739.02, 608,256.74 and 247,143.66

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Solution

The fourth proportional to 440,739.02, 608,256.74 and 247,143.66 is: 341,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,739.02 : 608,256.74 = 247,143.66 : x
  2. Step 2: Convert to fraction form
    440,739.02/608,256.74 = 247,143.66/x
  3. Step 3: Cross multiply
    440,739.02x = 608,256.74 × 247,143.66
  4. Step 4: Simplify right side
    440,739.02x = 150,326,795,280.17
  5. Step 5: Solve for x
    x = 150,326,795,280.17/440,739.02
  6. Step 6: Final answer
    x = 341,078.93

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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.