Finding the Fourth Proportional to 415,850.48, 623,257.68 and 190,971.84
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Solution
The fourth proportional to 415,850.48, 623,257.68 and 190,971.84 is: 286,219.86
Step by Step Solution
- Step 1: Write the proportion equation
415,850.48 : 623,257.68 = 190,971.84 : x - Step 2: Convert to fraction form
415,850.48/623,257.68 = 190,971.84/x - Step 3: Cross multiply
415,850.48x = 623,257.68 × 190,971.84 - Step 4: Simplify right side
415,850.48x = 119,024,665,943.73 - Step 5: Solve for x
x = 119,024,665,943.73/415,850.48 - Step 6: Final answer
x = 286,219.86
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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.