Finding the Fourth Proportional to 243,593.53, 336,153.14 and 136,176.19
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Solution
The fourth proportional to 243,593.53, 336,153.14 and 136,176.19 is: 187,919.82
Step by Step Solution
- Step 1: Write the proportion equation
243,593.53 : 336,153.14 = 136,176.19 : x - Step 2: Convert to fraction form
243,593.53/336,153.14 = 136,176.19/x - Step 3: Cross multiply
243,593.53x = 336,153.14 × 136,176.19 - Step 4: Simplify right side
243,593.53x = 45,776,052,851.13 - Step 5: Solve for x
x = 45,776,052,851.13/243,593.53 - Step 6: Final answer
x = 187,919.82
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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.