Finding the Fourth Proportional to 279,153.99, 385,236.54 and 151,829.96
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Solution
The fourth proportional to 279,153.99, 385,236.54 and 151,829.96 is: 209,527.53
Step by Step Solution
- Step 1: Write the proportion equation
279,153.99 : 385,236.54 = 151,829.96 : x - Step 2: Convert to fraction form
279,153.99/385,236.54 = 151,829.96/x - Step 3: Cross multiply
279,153.99x = 385,236.54 × 151,829.96 - Step 4: Simplify right side
279,153.99x = 58,490,446,532.56 - Step 5: Solve for x
x = 58,490,446,532.56/279,153.99 - Step 6: Final answer
x = 209,527.53
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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.