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Finding the Fourth Proportional to 490,802.76, 736,203.58 and 158,378.76

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Solution

The fourth proportional to 490,802.76, 736,203.58 and 158,378.76 is: 237,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,802.76 : 736,203.58 = 158,378.76 : x
  2. Step 2: Convert to fraction form
    490,802.76/736,203.58 = 158,378.76/x
  3. Step 3: Cross multiply
    490,802.76x = 736,203.58 × 158,378.76
  4. Step 4: Simplify right side
    490,802.76x = 116,599,010,107.96
  5. Step 5: Solve for x
    x = 116,599,010,107.96/490,802.76
  6. Step 6: Final answer
    x = 237,567.96

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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.