Finding the Fourth Proportional to 415,873.90, 623,805.09 and 100,328.14
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Solution
The fourth proportional to 415,873.90, 623,805.09 and 100,328.14 is: 150,490.82
Step by Step Solution
- Step 1: Write the proportion equation
415,873.90 : 623,805.09 = 100,328.14 : x - Step 2: Convert to fraction form
415,873.90/623,805.09 = 100,328.14/x - Step 3: Cross multiply
415,873.90x = 623,805.09 × 100,328.14 - Step 4: Simplify right side
415,873.90x = 62,585,204,402.23 - Step 5: Solve for x
x = 62,585,204,402.23/415,873.90 - Step 6: Final answer
x = 150,490.82
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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.