Finding the Fourth Proportional to 217,832,330.40, 326,748,495.60 and 202,526,829.60
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Solution
The fourth proportional to 217,832,330.40, 326,748,495.60 and 202,526,829.60 is: 303,790,244.40
Step by Step Solution
- Step 1: Write the proportion equation
217,832,330.40 : 326,748,495.60 = 202,526,829.60 : x - Step 2: Convert to fraction form
217,832,330.40/326,748,495.60 = 202,526,829.60/x - Step 3: Cross multiply
217,832,330.40x = 326,748,495.60 × 202,526,829.60 - Step 4: Simplify right side
217,832,330.40x = 66,175,336,890,437,552 - Step 5: Solve for x
x = 66,175,336,890,437,552/217,832,330.40 - Step 6: Final answer
x = 303,790,244.40
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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.