Finding the Fourth Proportional to 576,106.68, 864,201.55 and 221,120.70
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Solution
The fourth proportional to 576,106.68, 864,201.55 and 221,120.70 is: 331,696.99
Step by Step Solution
- Step 1: Write the proportion equation
576,106.68 : 864,201.55 = 221,120.70 : x - Step 2: Convert to fraction form
576,106.68/864,201.55 = 221,120.70/x - Step 3: Cross multiply
576,106.68x = 864,201.55 × 221,120.70 - Step 4: Simplify right side
576,106.68x = 191,092,851,677.09 - Step 5: Solve for x
x = 191,092,851,677.09/576,106.68 - Step 6: Final answer
x = 331,696.99
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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.