Finding the Fourth Proportional to 872,336.18, 1,308,502.64 and 273,343.26
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Solution
The fourth proportional to 872,336.18, 1,308,502.64 and 273,343.26 is: 410,014.38
Step by Step Solution
- Step 1: Write the proportion equation
872,336.18 : 1,308,502.64 = 273,343.26 : x - Step 2: Convert to fraction form
872,336.18/1,308,502.64 = 273,343.26/x - Step 3: Cross multiply
872,336.18x = 1,308,502.64 × 273,343.26 - Step 4: Simplify right side
872,336.18x = 357,670,377,336.21 - Step 5: Solve for x
x = 357,670,377,336.21/872,336.18 - Step 6: Final answer
x = 410,014.38
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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.