Finding the Fourth Proportional to 415,328.90, 623,013.14 and 201,842.47
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Solution
The fourth proportional to 415,328.90, 623,013.14 and 201,842.47 is: 302,773.32
Step by Step Solution
- Step 1: Write the proportion equation
415,328.90 : 623,013.14 = 201,842.47 : x - Step 2: Convert to fraction form
415,328.90/623,013.14 = 201,842.47/x - Step 3: Cross multiply
415,328.90x = 623,013.14 × 201,842.47 - Step 4: Simplify right side
415,328.90x = 125,750,511,020.06 - Step 5: Solve for x
x = 125,750,511,020.06/415,328.90 - Step 6: Final answer
x = 302,773.32
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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.