Finding the Fourth Proportional to 634,143.37, 875,117.64 and 347,657.32
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Solution
The fourth proportional to 634,143.37, 875,117.64 and 347,657.32 is: 479,766.99
Step by Step Solution
- Step 1: Write the proportion equation
634,143.37 : 875,117.64 = 347,657.32 : x - Step 2: Convert to fraction form
634,143.37/875,117.64 = 347,657.32/x - Step 3: Cross multiply
634,143.37x = 875,117.64 × 347,657.32 - Step 4: Simplify right side
634,143.37x = 304,241,053,407.13 - Step 5: Solve for x
x = 304,241,053,407.13/634,143.37 - Step 6: Final answer
x = 479,766.99
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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.