Finding the Fourth Proportional to 443,527.62, 612,068.36 and 239,578.55
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Solution
The fourth proportional to 443,527.62, 612,068.36 and 239,578.55 is: 330,618.52
Step by Step Solution
- Step 1: Write the proportion equation
443,527.62 : 612,068.36 = 239,578.55 : x - Step 2: Convert to fraction form
443,527.62/612,068.36 = 239,578.55/x - Step 3: Cross multiply
443,527.62x = 612,068.36 × 239,578.55 - Step 4: Simplify right side
443,527.62x = 146,638,445,931.44 - Step 5: Solve for x
x = 146,638,445,931.44/443,527.62 - Step 6: Final answer
x = 330,618.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.