Finding the Fourth Proportional to 434,957.55, 652,428.09 and 178,735.65
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Solution
The fourth proportional to 434,957.55, 652,428.09 and 178,735.65 is: 268,100.09
Step by Step Solution
- Step 1: Write the proportion equation
434,957.55 : 652,428.09 = 178,735.65 : x - Step 2: Convert to fraction form
434,957.55/652,428.09 = 178,735.65/x - Step 3: Cross multiply
434,957.55x = 652,428.09 × 178,735.65 - Step 4: Simplify right side
434,957.55x = 116,612,158,744.41 - Step 5: Solve for x
x = 116,612,158,744.41/434,957.55 - Step 6: Final answer
x = 268,100.09
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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.