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Finding the Fourth Proportional to 493,011.49, 739,628.02 and 156,072.35

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Solution

The fourth proportional to 493,011.49, 739,628.02 and 156,072.35 is: 234,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,011.49 : 739,628.02 = 156,072.35 : x
  2. Step 2: Convert to fraction form
    493,011.49/739,628.02 = 156,072.35/x
  3. Step 3: Cross multiply
    493,011.49x = 739,628.02 × 156,072.35
  4. Step 4: Simplify right side
    493,011.49x = 115,435,483,207.25
  5. Step 5: Solve for x
    x = 115,435,483,207.25/493,011.49
  6. Step 6: Final answer
    x = 234,143.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.