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Finding the Fourth Proportional to 329,330.16, 454,224.86 and 283,467.86

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Solution

The fourth proportional to 329,330.16, 454,224.86 and 283,467.86 is: 390,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,330.16 : 454,224.86 = 283,467.86 : x
  2. Step 2: Convert to fraction form
    329,330.16/454,224.86 = 283,467.86/x
  3. Step 3: Cross multiply
    329,330.16x = 454,224.86 × 283,467.86
  4. Step 4: Simplify right side
    329,330.16x = 128,758,149,023.00
  5. Step 5: Solve for x
    x = 128,758,149,023.00/329,330.16
  6. Step 6: Final answer
    x = 390,969.81

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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.