Finding the Fourth Proportional to 256,725.84, 385,089.84 and 168,537.36
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Solution
The fourth proportional to 256,725.84, 385,089.84 and 168,537.36 is: 252,806.75
Step by Step Solution
- Step 1: Write the proportion equation
256,725.84 : 385,089.84 = 168,537.36 : x - Step 2: Convert to fraction form
256,725.84/385,089.84 = 168,537.36/x - Step 3: Cross multiply
256,725.84x = 385,089.84 × 168,537.36 - Step 4: Simplify right side
256,725.84x = 64,902,024,996.42 - Step 5: Solve for x
x = 64,902,024,996.42/256,725.84 - Step 6: Final answer
x = 252,806.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.