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Finding the Fourth Proportional to 356,660.58, 492,065.52 and 203,588.38

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Solution

The fourth proportional to 356,660.58, 492,065.52 and 203,588.38 is: 280,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,660.58 : 492,065.52 = 203,588.38 : x
  2. Step 2: Convert to fraction form
    356,660.58/492,065.52 = 203,588.38/x
  3. Step 3: Cross multiply
    356,660.58x = 492,065.52 × 203,588.38
  4. Step 4: Simplify right side
    356,660.58x = 100,178,822,070.66
  5. Step 5: Solve for x
    x = 100,178,822,070.66/356,660.58
  6. Step 6: Final answer
    x = 280,880.00

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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.