Finding the Fourth Proportional to 426,868.18, 589,026.81 and 235,855.42
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Solution
The fourth proportional to 426,868.18, 589,026.81 and 235,855.42 is: 325,452.15
Step by Step Solution
- Step 1: Write the proportion equation
426,868.18 : 589,026.81 = 235,855.42 : x - Step 2: Convert to fraction form
426,868.18/589,026.81 = 235,855.42/x - Step 3: Cross multiply
426,868.18x = 589,026.81 × 235,855.42 - Step 4: Simplify right side
426,868.18x = 138,925,165,663.81 - Step 5: Solve for x
x = 138,925,165,663.81/426,868.18 - Step 6: Final answer
x = 325,452.15
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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.