Finding the Fourth Proportional to 503,706.11, 755,564.99 and 215,478.55
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Solution
The fourth proportional to 503,706.11, 755,564.99 and 215,478.55 is: 323,220.32
Step by Step Solution
- Step 1: Write the proportion equation
503,706.11 : 755,564.99 = 215,478.55 : x - Step 2: Convert to fraction form
503,706.11/755,564.99 = 215,478.55/x - Step 3: Cross multiply
503,706.11x = 755,564.99 × 215,478.55 - Step 4: Simplify right side
503,706.11x = 162,808,048,343.03 - Step 5: Solve for x
x = 162,808,048,343.03/503,706.11 - Step 6: Final answer
x = 323,220.32
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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.