Finding the Fourth Proportional to 478,599.70, 660,466.21 and 263,739.70
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Solution
The fourth proportional to 478,599.70, 660,466.21 and 263,739.70 is: 363,960.03
Step by Step Solution
- Step 1: Write the proportion equation
478,599.70 : 660,466.21 = 263,739.70 : x - Step 2: Convert to fraction form
478,599.70/660,466.21 = 263,739.70/x - Step 3: Cross multiply
478,599.70x = 660,466.21 × 263,739.70 - Step 4: Simplify right side
478,599.70x = 174,191,160,085.54 - Step 5: Solve for x
x = 174,191,160,085.54/478,599.70 - Step 6: Final answer
x = 363,960.03
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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.