Finding the Fourth Proportional to 353,916.63, 488,511.68 and 240,804.99
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Solution
The fourth proportional to 353,916.63, 488,511.68 and 240,804.99 is: 332,383.50
Step by Step Solution
- Step 1: Write the proportion equation
353,916.63 : 488,511.68 = 240,804.99 : x - Step 2: Convert to fraction form
353,916.63/488,511.68 = 240,804.99/x - Step 3: Cross multiply
353,916.63x = 488,511.68 × 240,804.99 - Step 4: Simplify right side
353,916.63x = 117,636,049,013.26 - Step 5: Solve for x
x = 117,636,049,013.26/353,916.63 - Step 6: Final answer
x = 332,383.50
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1.5x scale
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.