Finding the Fourth Proportional to 415,869.90, 623,799.09 and 100,324.14
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Solution
The fourth proportional to 415,869.90, 623,799.09 and 100,324.14 is: 150,484.82
Step by Step Solution
- Step 1: Write the proportion equation
415,869.90 : 623,799.09 = 100,324.14 : x - Step 2: Convert to fraction form
415,869.90/623,799.09 = 100,324.14/x - Step 3: Cross multiply
415,869.90x = 623,799.09 × 100,324.14 - Step 4: Simplify right side
415,869.90x = 62,582,107,237.03 - Step 5: Solve for x
x = 62,582,107,237.03/415,869.90 - Step 6: Final answer
x = 150,484.82
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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.