Finding the Fourth Proportional to 284,709.33, 392,958.95 and 236,916.09
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Solution
The fourth proportional to 284,709.33, 392,958.95 and 236,916.09 is: 326,994.19
Step by Step Solution
- Step 1: Write the proportion equation
284,709.33 : 392,958.95 = 236,916.09 : x - Step 2: Convert to fraction form
284,709.33/392,958.95 = 236,916.09/x - Step 3: Cross multiply
284,709.33x = 392,958.95 × 236,916.09 - Step 4: Simplify right side
284,709.33x = 93,098,296,779.93 - Step 5: Solve for x
x = 93,098,296,779.93/284,709.33 - Step 6: Final answer
x = 326,994.19
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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.