Home / 490,911-736,449.54-251,129.01

Finding the Fourth Proportional to 490,911, 736,449.54 and 251,129.01

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Solution

The fourth proportional to 490,911, 736,449.54 and 251,129.01 is: 376,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,911 : 736,449.54 = 251,129.01 : x
  2. Step 2: Convert to fraction form
    490,911/736,449.54 = 251,129.01/x
  3. Step 3: Cross multiply
    490,911x = 736,449.54 × 251,129.01
  4. Step 4: Simplify right side
    490,911x = 184,943,838,957.26
  5. Step 5: Solve for x
    x = 184,943,838,957.26/490,911
  6. Step 6: Final answer
    x = 376,735.98

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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.