Finding the Fourth Proportional to 432,991.63, 649,321.35 and 148,629.19
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Solution
The fourth proportional to 432,991.63, 649,321.35 and 148,629.19 is: 222,886.77
Step by Step Solution
- Step 1: Write the proportion equation
432,991.63 : 649,321.35 = 148,629.19 : x - Step 2: Convert to fraction form
432,991.63/649,321.35 = 148,629.19/x - Step 3: Cross multiply
432,991.63x = 649,321.35 × 148,629.19 - Step 4: Simplify right side
432,991.63x = 96,508,106,300.21 - Step 5: Solve for x
x = 96,508,106,300.21/432,991.63 - Step 6: Final answer
x = 222,886.77
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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.