Finding the Fourth Proportional to 359,201.80, 538,802.70 and 353,057.80
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Solution
The fourth proportional to 359,201.80, 538,802.70 and 353,057.80 is: 529,586.70
Step by Step Solution
- Step 1: Write the proportion equation
359,201.80 : 538,802.70 = 353,057.80 : x - Step 2: Convert to fraction form
359,201.80/538,802.70 = 353,057.80/x - Step 3: Cross multiply
359,201.80x = 538,802.70 × 353,057.80 - Step 4: Simplify right side
359,201.80x = 190,228,495,896.06 - Step 5: Solve for x
x = 190,228,495,896.06/359,201.80 - Step 6: Final answer
x = 529,586.70
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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.