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Finding the Fourth Proportional to 349,449.56, 482,124.40 and 284,807.64

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Solution

The fourth proportional to 349,449.56, 482,124.40 and 284,807.64 is: 392,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,449.56 : 482,124.40 = 284,807.64 : x
  2. Step 2: Convert to fraction form
    349,449.56/482,124.40 = 284,807.64/x
  3. Step 3: Cross multiply
    349,449.56x = 482,124.40 × 284,807.64
  4. Step 4: Simplify right side
    349,449.56x = 137,312,712,550.42
  5. Step 5: Solve for x
    x = 137,312,712,550.42/349,449.56
  6. Step 6: Final answer
    x = 392,940.01

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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.