Home / 459,911.06-689,866.80-206,896.02

Finding the Fourth Proportional to 459,911.06, 689,866.80 and 206,896.02

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Solution

The fourth proportional to 459,911.06, 689,866.80 and 206,896.02 is: 310,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,911.06 : 689,866.80 = 206,896.02 : x
  2. Step 2: Convert to fraction form
    459,911.06/689,866.80 = 206,896.02/x
  3. Step 3: Cross multiply
    459,911.06x = 689,866.80 × 206,896.02
  4. Step 4: Simplify right side
    459,911.06x = 142,730,695,250.14
  5. Step 5: Solve for x
    x = 142,730,695,250.14/459,911.06
  6. Step 6: Final answer
    x = 310,344.12

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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.