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Finding the Fourth Proportional to 490,730.70, 736,096.05 and 158,306.70

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Solution

The fourth proportional to 490,730.70, 736,096.05 and 158,306.70 is: 237,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,730.70 : 736,096.05 = 158,306.70 : x
  2. Step 2: Convert to fraction form
    490,730.70/736,096.05 = 158,306.70/x
  3. Step 3: Cross multiply
    490,730.70x = 736,096.05 × 158,306.70
  4. Step 4: Simplify right side
    490,730.70x = 116,528,936,558.54
  5. Step 5: Solve for x
    x = 116,528,936,558.54/490,730.70
  6. Step 6: Final answer
    x = 237,460.05

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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.