Finding the Fourth Proportional to 369,685.84, 554,528.82 and 89,203.09
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Solution
The fourth proportional to 369,685.84, 554,528.82 and 89,203.09 is: 133,804.65
Step by Step Solution
- Step 1: Write the proportion equation
369,685.84 : 554,528.82 = 89,203.09 : x - Step 2: Convert to fraction form
369,685.84/554,528.82 = 89,203.09/x - Step 3: Cross multiply
369,685.84x = 554,528.82 × 89,203.09 - Step 4: Simplify right side
369,685.84x = 49,465,684,238.05 - Step 5: Solve for x
x = 49,465,684,238.05/369,685.84 - Step 6: Final answer
x = 133,804.65
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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.