Finding the Fourth Proportional to 272,792.36, 376,465.14 and 151,933.68
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Solution
The fourth proportional to 272,792.36, 376,465.14 and 151,933.68 is: 209,674.98
Step by Step Solution
- Step 1: Write the proportion equation
272,792.36 : 376,465.14 = 151,933.68 : x - Step 2: Convert to fraction form
272,792.36/376,465.14 = 151,933.68/x - Step 3: Cross multiply
272,792.36x = 376,465.14 × 151,933.68 - Step 4: Simplify right side
272,792.36x = 57,197,731,849.76 - Step 5: Solve for x
x = 57,197,731,849.76/272,792.36 - Step 6: Final answer
x = 209,674.98
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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.