Finding the Fourth Proportional to 346,223.44, 519,402.49 and 132,975.75
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Solution
The fourth proportional to 346,223.44, 519,402.49 and 132,975.75 is: 199,489.49
Step by Step Solution
- Step 1: Write the proportion equation
346,223.44 : 519,402.49 = 132,975.75 : x - Step 2: Convert to fraction form
346,223.44/519,402.49 = 132,975.75/x - Step 3: Cross multiply
346,223.44x = 519,402.49 × 132,975.75 - Step 4: Simplify right side
346,223.44x = 69,067,935,327.18 - Step 5: Solve for x
x = 69,067,935,327.18/346,223.44 - Step 6: Final answer
x = 199,489.49
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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.