Home / 368,081.12-507,947.08-204,736.52

Finding the Fourth Proportional to 368,081.12, 507,947.08 and 204,736.52

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Solution

The fourth proportional to 368,081.12, 507,947.08 and 204,736.52 is: 282,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,081.12 : 507,947.08 = 204,736.52 : x
  2. Step 2: Convert to fraction form
    368,081.12/507,947.08 = 204,736.52/x
  3. Step 3: Cross multiply
    368,081.12x = 507,947.08 × 204,736.52
  4. Step 4: Simplify right side
    368,081.12x = 103,995,317,503.36
  5. Step 5: Solve for x
    x = 103,995,317,503.36/368,081.12
  6. Step 6: Final answer
    x = 282,533.69

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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.