Home / 446,619.66-616,362.69-255,628.68

Finding the Fourth Proportional to 446,619.66, 616,362.69 and 255,628.68

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Solution

The fourth proportional to 446,619.66, 616,362.69 and 255,628.68 is: 352,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,619.66 : 616,362.69 = 255,628.68 : x
  2. Step 2: Convert to fraction form
    446,619.66/616,362.69 = 255,628.68/x
  3. Step 3: Cross multiply
    446,619.66x = 616,362.69 × 255,628.68
  4. Step 4: Simplify right side
    446,619.66x = 157,559,980,845.95
  5. Step 5: Solve for x
    x = 157,559,980,845.95/446,619.66
  6. Step 6: Final answer
    x = 352,783.35

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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.