Finding the Fourth Proportional to 251,036.58, 346,413.99 and 149,056.77
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Solution
The fourth proportional to 251,036.58, 346,413.99 and 149,056.77 is: 205,688.55
Step by Step Solution
- Step 1: Write the proportion equation
251,036.58 : 346,413.99 = 149,056.77 : x - Step 2: Convert to fraction form
251,036.58/346,413.99 = 149,056.77/x - Step 3: Cross multiply
251,036.58x = 346,413.99 × 149,056.77 - Step 4: Simplify right side
251,036.58x = 51,635,350,432.21 - Step 5: Solve for x
x = 51,635,350,432.21/251,036.58 - Step 6: Final answer
x = 205,688.55
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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.