Finding the Fourth Proportional to 300,802.80, 415,235.93 and 202,707.55
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Solution
The fourth proportional to 300,802.80, 415,235.93 and 202,707.55 is: 279,822.72
Step by Step Solution
- Step 1: Write the proportion equation
300,802.80 : 415,235.93 = 202,707.55 : x - Step 2: Convert to fraction form
300,802.80/415,235.93 = 202,707.55/x - Step 3: Cross multiply
300,802.80x = 415,235.93 × 202,707.55 - Step 4: Simplify right side
300,802.80x = 84,171,458,042.27 - Step 5: Solve for x
x = 84,171,458,042.27/300,802.80 - Step 6: Final answer
x = 279,822.72
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1.5x scale
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.