Finding the Fourth Proportional to 343,181.20, 514,531.80 and 202,867.60
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Solution
The fourth proportional to 343,181.20, 514,531.80 and 202,867.60 is: 304,159.53
Step by Step Solution
- Step 1: Write the proportion equation
343,181.20 : 514,531.80 = 202,867.60 : x - Step 2: Convert to fraction form
343,181.20/514,531.80 = 202,867.60/x - Step 3: Cross multiply
343,181.20x = 514,531.80 × 202,867.60 - Step 4: Simplify right side
343,181.20x = 104,381,831,389.68 - Step 5: Solve for x
x = 104,381,831,389.68/343,181.20 - Step 6: Final answer
x = 304,159.53
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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.