Finding the Fourth Proportional to 243,407.36, 337,620.62 and 236,933.84
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Solution
The fourth proportional to 243,407.36, 337,620.62 and 236,933.84 is: 328,641.46
Step by Step Solution
- Step 1: Write the proportion equation
243,407.36 : 337,620.62 = 236,933.84 : x - Step 2: Convert to fraction form
243,407.36/337,620.62 = 236,933.84/x - Step 3: Cross multiply
243,407.36x = 337,620.62 × 236,933.84 - Step 4: Simplify right side
243,407.36x = 79,993,749,959.78 - Step 5: Solve for x
x = 79,993,749,959.78/243,407.36 - Step 6: Final answer
x = 328,641.46
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.