Finding the Fourth Proportional to 602,243.98, 831,457.11 and 376,195.66
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Solution
The fourth proportional to 602,243.98, 831,457.11 and 376,195.66 is: 519,375.15
Step by Step Solution
- Step 1: Write the proportion equation
602,243.98 : 831,457.11 = 376,195.66 : x - Step 2: Convert to fraction form
602,243.98/831,457.11 = 376,195.66/x - Step 3: Cross multiply
602,243.98x = 831,457.11 × 376,195.66 - Step 4: Simplify right side
602,243.98x = 312,790,556,258.14 - Step 5: Solve for x
x = 312,790,556,258.14/602,243.98 - Step 6: Final answer
x = 519,375.15
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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.