Home / 459,299.77-689,032.27-189,277.56

Finding the Fourth Proportional to 459,299.77, 689,032.27 and 189,277.56

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Solution

The fourth proportional to 459,299.77, 689,032.27 and 189,277.56 is: 283,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,299.77 : 689,032.27 = 189,277.56 : x
  2. Step 2: Convert to fraction form
    459,299.77/689,032.27 = 189,277.56/x
  3. Step 3: Cross multiply
    459,299.77x = 689,032.27 × 189,277.56
  4. Step 4: Simplify right side
    459,299.77x = 130,418,347,063.46
  5. Step 5: Solve for x
    x = 130,418,347,063.46/459,299.77
  6. Step 6: Final answer
    x = 283,950.39

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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.