Finding the Fourth Proportional to 348,292.73, 480,696.50 and 212,405.50
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Solution
The fourth proportional to 348,292.73, 480,696.50 and 212,405.50 is: 293,151.62
Step by Step Solution
- Step 1: Write the proportion equation
348,292.73 : 480,696.50 = 212,405.50 : x - Step 2: Convert to fraction form
348,292.73/480,696.50 = 212,405.50/x - Step 3: Cross multiply
348,292.73x = 480,696.50 × 212,405.50 - Step 4: Simplify right side
348,292.73x = 102,102,576,965.24 - Step 5: Solve for x
x = 102,102,576,965.24/348,292.73 - Step 6: Final answer
x = 293,151.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.