Finding the Fourth Proportional to 665,152.10, 997,072.05 and 327,916.70
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Solution
The fourth proportional to 665,152.10, 997,072.05 and 327,916.70 is: 491,551.60
Step by Step Solution
- Step 1: Write the proportion equation
665,152.10 : 997,072.05 = 327,916.70 : x - Step 2: Convert to fraction form
665,152.10/997,072.05 = 327,916.70/x - Step 3: Cross multiply
665,152.10x = 997,072.05 × 327,916.70 - Step 4: Simplify right side
665,152.10x = 326,956,576,298.24 - Step 5: Solve for x
x = 326,956,576,298.24/665,152.10 - Step 6: Final answer
x = 491,551.60
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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.