Finding the Fourth Proportional to 403,968.02, 557,475.71 and 222,683.00
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Solution
The fourth proportional to 403,968.02, 557,475.71 and 222,683.00 is: 307,302.45
Step by Step Solution
- Step 1: Write the proportion equation
403,968.02 : 557,475.71 = 222,683.00 : x - Step 2: Convert to fraction form
403,968.02/557,475.71 = 222,683.00/x - Step 3: Cross multiply
403,968.02x = 557,475.71 × 222,683.00 - Step 4: Simplify right side
403,968.02x = 124,140,359,629.14 - Step 5: Solve for x
x = 124,140,359,629.14/403,968.02 - Step 6: Final answer
x = 307,302.45
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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.