Home / 340,529.21-469,986.36-259,804.20

Finding the Fourth Proportional to 340,529.21, 469,986.36 and 259,804.20

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Solution

The fourth proportional to 340,529.21, 469,986.36 and 259,804.20 is: 358,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,529.21 : 469,986.36 = 259,804.20 : x
  2. Step 2: Convert to fraction form
    340,529.21/469,986.36 = 259,804.20/x
  3. Step 3: Cross multiply
    340,529.21x = 469,986.36 × 259,804.20
  4. Step 4: Simplify right side
    340,529.21x = 122,104,428,971.69
  5. Step 5: Solve for x
    x = 122,104,428,971.69/340,529.21
  6. Step 6: Final answer
    x = 358,572.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.