Finding the Fourth Proportional to 387,526.10, 581,104.62 and 147,651.84
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Solution
The fourth proportional to 387,526.10, 581,104.62 and 147,651.84 is: 221,407.45
Step by Step Solution
- Step 1: Write the proportion equation
387,526.10 : 581,104.62 = 147,651.84 : x - Step 2: Convert to fraction form
387,526.10/581,104.62 = 147,651.84/x - Step 3: Cross multiply
387,526.10x = 581,104.62 × 147,651.84 - Step 4: Simplify right side
387,526.10x = 85,801,166,375.50 - Step 5: Solve for x
x = 85,801,166,375.50/387,526.10 - Step 6: Final answer
x = 221,407.45
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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.