Home / 490,688.72-736,032.15-153,755.18

Finding the Fourth Proportional to 490,688.72, 736,032.15 and 153,755.18

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Solution

The fourth proportional to 490,688.72, 736,032.15 and 153,755.18 is: 230,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,688.72 : 736,032.15 = 153,755.18 : x
  2. Step 2: Convert to fraction form
    490,688.72/736,032.15 = 153,755.18/x
  3. Step 3: Cross multiply
    490,688.72x = 736,032.15 × 153,755.18
  4. Step 4: Simplify right side
    490,688.72x = 113,168,752,028.88
  5. Step 5: Solve for x
    x = 113,168,752,028.88/490,688.72
  6. Step 6: Final answer
    x = 230,632.47

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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.