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Finding the Fourth Proportional to 358,768.35, 495,094.28 and 197,638.47

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Solution

The fourth proportional to 358,768.35, 495,094.28 and 197,638.47 is: 272,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,768.35 : 495,094.28 = 197,638.47 : x
  2. Step 2: Convert to fraction form
    358,768.35/495,094.28 = 197,638.47/x
  3. Step 3: Cross multiply
    358,768.35x = 495,094.28 × 197,638.47
  4. Step 4: Simplify right side
    358,768.35x = 97,849,675,016.76
  5. Step 5: Solve for x
    x = 97,849,675,016.76/358,768.35
  6. Step 6: Final answer
    x = 272,737.76

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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.