Finding the Fourth Proportional to 421,276.44, 631,852.37 and 154,974.68
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Solution
The fourth proportional to 421,276.44, 631,852.37 and 154,974.68 is: 232,439.11
Step by Step Solution
- Step 1: Write the proportion equation
421,276.44 : 631,852.37 = 154,974.68 : x - Step 2: Convert to fraction form
421,276.44/631,852.37 = 154,974.68/x - Step 3: Cross multiply
421,276.44x = 631,852.37 × 154,974.68 - Step 4: Simplify right side
421,276.44x = 97,921,122,290.36 - Step 5: Solve for x
x = 97,921,122,290.36/421,276.44 - Step 6: Final answer
x = 232,439.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.