Finding the Fourth Proportional to 513,283.38, 769,916.60 and 153,455.08
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Solution
The fourth proportional to 513,283.38, 769,916.60 and 153,455.08 is: 230,180.09
Step by Step Solution
- Step 1: Write the proportion equation
513,283.38 : 769,916.60 = 153,455.08 : x - Step 2: Convert to fraction form
513,283.38/769,916.60 = 153,455.08/x - Step 3: Cross multiply
513,283.38x = 769,916.60 × 153,455.08 - Step 4: Simplify right side
513,283.38x = 118,147,613,446.33 - Step 5: Solve for x
x = 118,147,613,446.33/513,283.38 - Step 6: Final answer
x = 230,180.09
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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.