Finding the Fourth Proportional to 372,646.80, 514,235.64 and 202,880.56
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Solution
The fourth proportional to 372,646.80, 514,235.64 and 202,880.56 is: 279,965.95
Step by Step Solution
- Step 1: Write the proportion equation
372,646.80 : 514,235.64 = 202,880.56 : x - Step 2: Convert to fraction form
372,646.80/514,235.64 = 202,880.56/x - Step 3: Cross multiply
372,646.80x = 514,235.64 × 202,880.56 - Step 4: Simplify right side
372,646.80x = 104,328,414,615.16 - Step 5: Solve for x
x = 104,328,414,615.16/372,646.80 - Step 6: Final answer
x = 279,965.95
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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.