Home / 366,411.12-505,642.68-205,263.24

Finding the Fourth Proportional to 366,411.12, 505,642.68 and 205,263.24

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Solution

The fourth proportional to 366,411.12, 505,642.68 and 205,263.24 is: 283,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,411.12 : 505,642.68 = 205,263.24 : x
  2. Step 2: Convert to fraction form
    366,411.12/505,642.68 = 205,263.24/x
  3. Step 3: Cross multiply
    366,411.12x = 505,642.68 × 205,263.24
  4. Step 4: Simplify right side
    366,411.12x = 103,789,854,779.08
  5. Step 5: Solve for x
    x = 103,789,854,779.08/366,411.12
  6. Step 6: Final answer
    x = 283,260.66

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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.