Finding the Fourth Proportional to 310,703.24, 428,766.39 and 174,737.14
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Solution
The fourth proportional to 310,703.24, 428,766.39 and 174,737.14 is: 241,134.95
Step by Step Solution
- Step 1: Write the proportion equation
310,703.24 : 428,766.39 = 174,737.14 : x - Step 2: Convert to fraction form
310,703.24/428,766.39 = 174,737.14/x - Step 3: Cross multiply
310,703.24x = 428,766.39 × 174,737.14 - Step 4: Simplify right side
310,703.24x = 74,921,411,644.81 - Step 5: Solve for x
x = 74,921,411,644.81/310,703.24 - Step 6: Final answer
x = 241,134.95
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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.