Finding the Fourth Proportional to 426,406.07, 588,438.74 and 235,418.06
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Solution
The fourth proportional to 426,406.07, 588,438.74 and 235,418.06 is: 324,876.02
Step by Step Solution
- Step 1: Write the proportion equation
426,406.07 : 588,438.74 = 235,418.06 : x - Step 2: Convert to fraction form
426,406.07/588,438.74 = 235,418.06/x - Step 3: Cross multiply
426,406.07x = 588,438.74 × 235,418.06 - Step 4: Simplify right side
426,406.07x = 138,529,106,599.64 - Step 5: Solve for x
x = 138,529,106,599.64/426,406.07 - Step 6: Final answer
x = 324,876.02
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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.