Finding the Fourth Proportional to 355,583.78, 533,458.29 and 102,854.06
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Solution
The fourth proportional to 355,583.78, 533,458.29 and 102,854.06 is: 154,304.99
Step by Step Solution
- Step 1: Write the proportion equation
355,583.78 : 533,458.29 = 102,854.06 : x - Step 2: Convert to fraction form
355,583.78/533,458.29 = 102,854.06/x - Step 3: Cross multiply
355,583.78x = 533,458.29 × 102,854.06 - Step 4: Simplify right side
355,583.78x = 54,868,350,967.16 - Step 5: Solve for x
x = 54,868,350,967.16/355,583.78 - Step 6: Final answer
x = 154,304.99
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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.