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Finding the Fourth Proportional to 427,712.00, 590,240.32 and 236,718.86

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Solution

The fourth proportional to 427,712.00, 590,240.32 and 236,718.86 is: 326,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,712.00 : 590,240.32 = 236,718.86 : x
  2. Step 2: Convert to fraction form
    427,712.00/590,240.32 = 236,718.86/x
  3. Step 3: Cross multiply
    427,712.00x = 590,240.32 × 236,718.86
  4. Step 4: Simplify right side
    427,712.00x = 139,721,012,133.44
  5. Step 5: Solve for x
    x = 139,721,012,133.44/427,712.00
  6. Step 6: Final answer
    x = 326,670.78

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1.5x scale

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.