Finding the Fourth Proportional to 415,466.56, 623,283.68 and 131,201.52
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Solution
The fourth proportional to 415,466.56, 623,283.68 and 131,201.52 is: 196,828.76
Step by Step Solution
- Step 1: Write the proportion equation
415,466.56 : 623,283.68 = 131,201.52 : x - Step 2: Convert to fraction form
415,466.56/623,283.68 = 131,201.52/x - Step 3: Cross multiply
415,466.56x = 623,283.68 × 131,201.52 - Step 4: Simplify right side
415,466.56x = 81,775,766,207.19 - Step 5: Solve for x
x = 81,775,766,207.19/415,466.56 - Step 6: Final answer
x = 196,828.76
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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.