Home / 355,946.81-491,200.02-194,798.61

Finding the Fourth Proportional to 355,946.81, 491,200.02 and 194,798.61

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Solution

The fourth proportional to 355,946.81, 491,200.02 and 194,798.61 is: 268,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,946.81 : 491,200.02 = 194,798.61 : x
  2. Step 2: Convert to fraction form
    355,946.81/491,200.02 = 194,798.61/x
  3. Step 3: Cross multiply
    355,946.81x = 491,200.02 × 194,798.61
  4. Step 4: Simplify right side
    355,946.81x = 95,685,081,127.97
  5. Step 5: Solve for x
    x = 95,685,081,127.97/355,946.81
  6. Step 6: Final answer
    x = 268,818.49

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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.