Finding the Fourth Proportional to 426,838.16, 589,020.84 and 235,847.60
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Solution
The fourth proportional to 426,838.16, 589,020.84 and 235,847.60 is: 325,460.95
Step by Step Solution
- Step 1: Write the proportion equation
426,838.16 : 589,020.84 = 235,847.60 : x - Step 2: Convert to fraction form
426,838.16/589,020.84 = 235,847.60/x - Step 3: Cross multiply
426,838.16x = 589,020.84 × 235,847.60 - Step 4: Simplify right side
426,838.16x = 138,919,151,463.98 - Step 5: Solve for x
x = 138,919,151,463.98/426,838.16 - Step 6: Final answer
x = 325,460.95
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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.