Finding the Fourth Proportional to 415,506.60, 623,365.02 and 115,986.96
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Solution
The fourth proportional to 415,506.60, 623,365.02 and 115,986.96 is: 174,009.78
Step by Step Solution
- Step 1: Write the proportion equation
415,506.60 : 623,365.02 = 115,986.96 : x - Step 2: Convert to fraction form
415,506.60/623,365.02 = 115,986.96/x - Step 3: Cross multiply
415,506.60x = 623,365.02 × 115,986.96 - Step 4: Simplify right side
415,506.60x = 72,302,213,640.14 - Step 5: Solve for x
x = 72,302,213,640.14/415,506.60 - Step 6: Final answer
x = 174,009.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.