Finding the Fourth Proportional to 243,402.36, 337,613.68 and 236,928.84
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Solution
The fourth proportional to 243,402.36, 337,613.68 and 236,928.84 is: 328,634.52
Step by Step Solution
- Step 1: Write the proportion equation
243,402.36 : 337,613.68 = 236,928.84 : x - Step 2: Convert to fraction form
243,402.36/337,613.68 = 236,928.84/x - Step 3: Cross multiply
243,402.36x = 337,613.68 × 236,928.84 - Step 4: Simplify right side
243,402.36x = 79,990,417,570.53 - Step 5: Solve for x
x = 79,990,417,570.53/243,402.36 - Step 6: Final answer
x = 328,634.52
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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.