Finding the Fourth Proportional to 445,159.35, 668,405.97 and 385,372.17
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Solution
The fourth proportional to 445,159.35, 668,405.97 and 385,372.17 is: 578,635.63
Step by Step Solution
- Step 1: Write the proportion equation
445,159.35 : 668,405.97 = 385,372.17 : x - Step 2: Convert to fraction form
445,159.35/668,405.97 = 385,372.17/x - Step 3: Cross multiply
445,159.35x = 668,405.97 × 385,372.17 - Step 4: Simplify right side
445,159.35x = 257,585,059,099.86 - Step 5: Solve for x
x = 257,585,059,099.86/445,159.35 - Step 6: Final answer
x = 578,635.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.