Finding the Fourth Proportional to 421,660.00, 632,450.80 and 118,081.63
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Solution
The fourth proportional to 421,660.00, 632,450.80 and 118,081.63 is: 177,111.46
Step by Step Solution
- Step 1: Write the proportion equation
421,660.00 : 632,450.80 = 118,081.63 : x - Step 2: Convert to fraction form
421,660.00/632,450.80 = 118,081.63/x - Step 3: Cross multiply
421,660.00x = 632,450.80 × 118,081.63 - Step 4: Simplify right side
421,660.00x = 74,680,817,606.14 - Step 5: Solve for x
x = 74,680,817,606.14/421,660.00 - Step 6: Final answer
x = 177,111.46
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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.