Finding the Fourth Proportional to 403,595.07, 556,940.64 and 222,303.09
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Solution
The fourth proportional to 403,595.07, 556,940.64 and 222,303.09 is: 306,766.95
Step by Step Solution
- Step 1: Write the proportion equation
403,595.07 : 556,940.64 = 222,303.09 : x - Step 2: Convert to fraction form
403,595.07/556,940.64 = 222,303.09/x - Step 3: Cross multiply
403,595.07x = 556,940.64 × 222,303.09 - Step 4: Simplify right side
403,595.07x = 123,809,628,140.74 - Step 5: Solve for x
x = 123,809,628,140.74/403,595.07 - Step 6: Final answer
x = 306,766.95
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1.5x scale
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.