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Finding the Fourth Proportional to 293,664.40, 411,959.60 and 293,664.40

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Solution

The fourth proportional to 293,664.40, 411,959.60 and 293,664.40 is: 411,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,664.40 : 411,959.60 = 293,664.40 : x
  2. Step 2: Convert to fraction form
    293,664.40/411,959.60 = 293,664.40/x
  3. Step 3: Cross multiply
    293,664.40x = 411,959.60 × 293,664.40
  4. Step 4: Simplify right side
    293,664.40x = 120,977,868,758.24
  5. Step 5: Solve for x
    x = 120,977,868,758.24/293,664.40
  6. Step 6: Final answer
    x = 411,959.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.