Finding the Fourth Proportional to 557,370.98, 769,159.26 and 302,716.70
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Solution
The fourth proportional to 557,370.98, 769,159.26 and 302,716.70 is: 417,742.15
Step by Step Solution
- Step 1: Write the proportion equation
557,370.98 : 769,159.26 = 302,716.70 : x - Step 2: Convert to fraction form
557,370.98/769,159.26 = 302,716.70/x - Step 3: Cross multiply
557,370.98x = 769,159.26 × 302,716.70 - Step 4: Simplify right side
557,370.98x = 232,837,352,961.64 - Step 5: Solve for x
x = 232,837,352,961.64/557,370.98 - Step 6: Final answer
x = 417,742.15
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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.