Finding the Fourth Proportional to 355,089.05, 532,669.11 and 102,375.74
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Solution
The fourth proportional to 355,089.05, 532,669.11 and 102,375.74 is: 153,573.85
Step by Step Solution
- Step 1: Write the proportion equation
355,089.05 : 532,669.11 = 102,375.74 : x - Step 2: Convert to fraction form
355,089.05/532,669.11 = 102,375.74/x - Step 3: Cross multiply
355,089.05x = 532,669.11 × 102,375.74 - Step 4: Simplify right side
355,089.05x = 54,532,391,648.05 - Step 5: Solve for x
x = 54,532,391,648.05/355,089.05 - Step 6: Final answer
x = 153,573.85
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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.