Finding the Fourth Proportional to 646,658.84, 969,988.44 and 197,382.26
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Solution
The fourth proportional to 646,658.84, 969,988.44 and 197,382.26 is: 296,073.44
Step by Step Solution
- Step 1: Write the proportion equation
646,658.84 : 969,988.44 = 197,382.26 : x - Step 2: Convert to fraction form
646,658.84/969,988.44 = 197,382.26/x - Step 3: Cross multiply
646,658.84x = 969,988.44 × 197,382.26 - Step 4: Simplify right side
646,658.84x = 191,458,510,461.07 - Step 5: Solve for x
x = 191,458,510,461.07/646,658.84 - Step 6: Final answer
x = 296,073.44
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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.