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Finding the Fourth Proportional to 284,710.58, 392,960.67 and 236,917.34

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Solution

The fourth proportional to 284,710.58, 392,960.67 and 236,917.34 is: 326,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,710.58 : 392,960.67 = 236,917.34 : x
  2. Step 2: Convert to fraction form
    284,710.58/392,960.67 = 236,917.34/x
  3. Step 3: Cross multiply
    284,710.58x = 392,960.67 × 236,917.34
  4. Step 4: Simplify right side
    284,710.58x = 93,099,196,661.02
  5. Step 5: Solve for x
    x = 93,099,196,661.02/284,710.58
  6. Step 6: Final answer
    x = 326,995.92

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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.