Home / 459,300.77-689,033.77-189,278.56

Finding the Fourth Proportional to 459,300.77, 689,033.77 and 189,278.56

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Solution

The fourth proportional to 459,300.77, 689,033.77 and 189,278.56 is: 283,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,300.77 : 689,033.77 = 189,278.56 : x
  2. Step 2: Convert to fraction form
    459,300.77/689,033.77 = 189,278.56/x
  3. Step 3: Cross multiply
    459,300.77x = 689,033.77 × 189,278.56
  4. Step 4: Simplify right side
    459,300.77x = 130,419,319,776.97
  5. Step 5: Solve for x
    x = 130,419,319,776.97/459,300.77
  6. Step 6: Final answer
    x = 283,951.89

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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.