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Finding the Fourth Proportional to 358,348.95, 494,521.63 and 197,204.00

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Solution

The fourth proportional to 358,348.95, 494,521.63 and 197,204.00 is: 272,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,348.95 : 494,521.63 = 197,204.00 : x
  2. Step 2: Convert to fraction form
    358,348.95/494,521.63 = 197,204.00/x
  3. Step 3: Cross multiply
    358,348.95x = 494,521.63 × 197,204.00
  4. Step 4: Simplify right side
    358,348.95x = 97,521,643,946.81
  5. Step 5: Solve for x
    x = 97,521,643,946.81/358,348.95
  6. Step 6: Final answer
    x = 272,141.56

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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.