Finding the Fourth Proportional to 372,603.42, 514,192.80 and 202,837.50
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Solution
The fourth proportional to 372,603.42, 514,192.80 and 202,837.50 is: 279,915.79
Step by Step Solution
- Step 1: Write the proportion equation
372,603.42 : 514,192.80 = 202,837.50 : x - Step 2: Convert to fraction form
372,603.42/514,192.80 = 202,837.50/x - Step 3: Cross multiply
372,603.42x = 514,192.80 × 202,837.50 - Step 4: Simplify right side
372,603.42x = 104,297,582,070 - Step 5: Solve for x
x = 104,297,582,070/372,603.42 - Step 6: Final answer
x = 279,915.79
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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.