Finding the Fourth Proportional to 434,563.30, 652,136.55 and 256,881.70
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Solution
The fourth proportional to 434,563.30, 652,136.55 and 256,881.70 is: 385,494.92
Step by Step Solution
- Step 1: Write the proportion equation
434,563.30 : 652,136.55 = 256,881.70 : x - Step 2: Convert to fraction form
434,563.30/652,136.55 = 256,881.70/x - Step 3: Cross multiply
434,563.30x = 652,136.55 × 256,881.70 - Step 4: Simplify right side
434,563.30x = 167,521,945,596.14 - Step 5: Solve for x
x = 167,521,945,596.14/434,563.30 - Step 6: Final answer
x = 385,494.92
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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.