Finding the Fourth Proportional to 353,193.80, 529,790.70 and 329,865.80
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Solution
The fourth proportional to 353,193.80, 529,790.70 and 329,865.80 is: 494,798.70
Step by Step Solution
- Step 1: Write the proportion equation
353,193.80 : 529,790.70 = 329,865.80 : x - Step 2: Convert to fraction form
353,193.80/529,790.70 = 329,865.80/x - Step 3: Cross multiply
353,193.80x = 529,790.70 × 329,865.80 - Step 4: Simplify right side
353,193.80x = 174,759,833,088.06 - Step 5: Solve for x
x = 174,759,833,088.06/353,193.80 - Step 6: Final answer
x = 494,798.70
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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.