Finding the Fourth Proportional to 351,402.77, 526,552.21 and 271,636.19
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Solution
The fourth proportional to 351,402.77, 526,552.21 and 271,636.19 is: 407,027.63
Step by Step Solution
- Step 1: Write the proportion equation
351,402.77 : 526,552.21 = 271,636.19 : x - Step 2: Convert to fraction form
351,402.77/526,552.21 = 271,636.19/x - Step 3: Cross multiply
351,402.77x = 526,552.21 × 271,636.19 - Step 4: Simplify right side
351,402.77x = 143,030,636,160.48 - Step 5: Solve for x
x = 143,030,636,160.48/351,402.77 - Step 6: Final answer
x = 407,027.63
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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.