Finding the Fourth Proportional to 353,472.50, 529,539.76 and 208,945.63
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Solution
The fourth proportional to 353,472.50, 529,539.76 and 208,945.63 is: 313,022.99
Step by Step Solution
- Step 1: Write the proportion equation
353,472.50 : 529,539.76 = 208,945.63 : x - Step 2: Convert to fraction form
353,472.50/529,539.76 = 208,945.63/x - Step 3: Cross multiply
353,472.50x = 529,539.76 × 208,945.63 - Step 4: Simplify right side
353,472.50x = 110,645,018,763.25 - Step 5: Solve for x
x = 110,645,018,763.25/353,472.50 - Step 6: Final answer
x = 313,022.99
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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.