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Finding the Fourth Proportional to 293,920.01, 438,440.04 and 284,080.60

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Solution

The fourth proportional to 293,920.01, 438,440.04 and 284,080.60 is: 423,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,920.01 : 438,440.04 = 284,080.60 : x
  2. Step 2: Convert to fraction form
    293,920.01/438,440.04 = 284,080.60/x
  3. Step 3: Cross multiply
    293,920.01x = 438,440.04 × 284,080.60
  4. Step 4: Simplify right side
    293,920.01x = 124,552,310,175.27
  5. Step 5: Solve for x
    x = 124,552,310,175.27/293,920.01
  6. Step 6: Final answer
    x = 423,762.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.