Finding the Fourth Proportional to 386,583.68, 533,503.79 and 241,475.42
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Solution
The fourth proportional to 386,583.68, 533,503.79 and 241,475.42 is: 333,247.52
Step by Step Solution
- Step 1: Write the proportion equation
386,583.68 : 533,503.79 = 241,475.42 : x - Step 2: Convert to fraction form
386,583.68/533,503.79 = 241,475.42/x - Step 3: Cross multiply
386,583.68x = 533,503.79 × 241,475.42 - Step 4: Simplify right side
386,583.68x = 128,828,051,761.84 - Step 5: Solve for x
x = 128,828,051,761.84/386,583.68 - Step 6: Final answer
x = 333,247.52
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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.