Finding the Fourth Proportional to 303,601.68, 455,392.80 and 137,389.68
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Solution
The fourth proportional to 303,601.68, 455,392.80 and 137,389.68 is: 206,080.12
Step by Step Solution
- Step 1: Write the proportion equation
303,601.68 : 455,392.80 = 137,389.68 : x - Step 2: Convert to fraction form
303,601.68/455,392.80 = 137,389.68/x - Step 3: Cross multiply
303,601.68x = 455,392.80 × 137,389.68 - Step 4: Simplify right side
303,601.68x = 62,566,271,066.30 - Step 5: Solve for x
x = 62,566,271,066.30/303,601.68 - Step 6: Final answer
x = 206,080.12
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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.