Finding the Fourth Proportional to 416,355.04, 624,261.91 and 163,660.25
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Solution
The fourth proportional to 416,355.04, 624,261.91 and 163,660.25 is: 245,383.99
Step by Step Solution
- Step 1: Write the proportion equation
416,355.04 : 624,261.91 = 163,660.25 : x - Step 2: Convert to fraction form
416,355.04/624,261.91 = 163,660.25/x - Step 3: Cross multiply
416,355.04x = 624,261.91 × 163,660.25 - Step 4: Simplify right side
416,355.04x = 102,166,858,663.27 - Step 5: Solve for x
x = 102,166,858,663.27/416,355.04 - Step 6: Final answer
x = 245,383.99
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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.