Finding the Fourth Proportional to 434,855.70, 652,283.55 and 210,323.70
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Solution
The fourth proportional to 434,855.70, 652,283.55 and 210,323.70 is: 315,485.55
Step by Step Solution
- Step 1: Write the proportion equation
434,855.70 : 652,283.55 = 210,323.70 : x - Step 2: Convert to fraction form
434,855.70/652,283.55 = 210,323.70/x - Step 3: Cross multiply
434,855.70x = 652,283.55 × 210,323.70 - Step 4: Simplify right side
434,855.70x = 137,190,689,685.14 - Step 5: Solve for x
x = 137,190,689,685.14/434,855.70 - Step 6: Final answer
x = 315,485.55
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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.