Finding the Fourth Proportional to 243,405.36, 337,617.84 and 236,931.84
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Solution
The fourth proportional to 243,405.36, 337,617.84 and 236,931.84 is: 328,638.68
Step by Step Solution
- Step 1: Write the proportion equation
243,405.36 : 337,617.84 = 236,931.84 : x - Step 2: Convert to fraction form
243,405.36/337,617.84 = 236,931.84/x - Step 3: Cross multiply
243,405.36x = 337,617.84 × 236,931.84 - Step 4: Simplify right side
243,405.36x = 79,992,416,048.03 - Step 5: Solve for x
x = 79,992,416,048.03/243,405.36 - Step 6: Final answer
x = 328,638.68
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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.