Home / 358,948.05-495,351.59-197,808.88

Finding the Fourth Proportional to 358,948.05, 495,351.59 and 197,808.88

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Solution

The fourth proportional to 358,948.05, 495,351.59 and 197,808.88 is: 272,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,948.05 : 495,351.59 = 197,808.88 : x
  2. Step 2: Convert to fraction form
    358,948.05/495,351.59 = 197,808.88/x
  3. Step 3: Cross multiply
    358,948.05x = 495,351.59 × 197,808.88
  4. Step 4: Simplify right side
    358,948.05x = 97,984,942,235.07
  5. Step 5: Solve for x
    x = 97,984,942,235.07/358,948.05
  6. Step 6: Final answer
    x = 272,978.06

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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.