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Finding the Fourth Proportional to 358,769.58, 495,099.72 and 197,620.89

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Solution

The fourth proportional to 358,769.58, 495,099.72 and 197,620.89 is: 272,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,769.58 : 495,099.72 = 197,620.89 : x
  2. Step 2: Convert to fraction form
    358,769.58/495,099.72 = 197,620.89/x
  3. Step 3: Cross multiply
    358,769.58x = 495,099.72 × 197,620.89
  4. Step 4: Simplify right side
    358,769.58x = 97,842,047,305.15
  5. Step 5: Solve for x
    x = 97,842,047,305.15/358,769.58
  6. Step 6: Final answer
    x = 272,715.56

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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.