Finding the Fourth Proportional to 557,741.08, 769,680.60 and 316,069.68
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Solution
The fourth proportional to 557,741.08, 769,680.60 and 316,069.68 is: 436,174.97
Step by Step Solution
- Step 1: Write the proportion equation
557,741.08 : 769,680.60 = 316,069.68 : x - Step 2: Convert to fraction form
557,741.08/769,680.60 = 316,069.68/x - Step 3: Cross multiply
557,741.08x = 769,680.60 × 316,069.68 - Step 4: Simplify right side
557,741.08x = 243,272,700,944.21 - Step 5: Solve for x
x = 243,272,700,944.21/557,741.08 - Step 6: Final answer
x = 436,174.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.