Home / 205,087.15-307,630.73-202,322.35

Finding the Fourth Proportional to 205,087.15, 307,630.73 and 202,322.35

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Solution

The fourth proportional to 205,087.15, 307,630.73 and 202,322.35 is: 303,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,087.15 : 307,630.73 = 202,322.35 : x
  2. Step 2: Convert to fraction form
    205,087.15/307,630.73 = 202,322.35/x
  3. Step 3: Cross multiply
    205,087.15x = 307,630.73 × 202,322.35
  4. Step 4: Simplify right side
    205,087.15x = 62,240,571,214.20
  5. Step 5: Solve for x
    x = 62,240,571,214.20/205,087.15
  6. Step 6: Final answer
    x = 303,483.53

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1.5x scale

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.