Finding the Fourth Proportional to 557,112.51, 768,813.12 and 302,463.63
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Solution
The fourth proportional to 557,112.51, 768,813.12 and 302,463.63 is: 417,398.65
Step by Step Solution
- Step 1: Write the proportion equation
557,112.51 : 768,813.12 = 302,463.63 : x - Step 2: Convert to fraction form
557,112.51/768,813.12 = 302,463.63/x - Step 3: Cross multiply
557,112.51x = 768,813.12 × 302,463.63 - Step 4: Simplify right side
557,112.51x = 232,538,007,066.83 - Step 5: Solve for x
x = 232,538,007,066.83/557,112.51 - Step 6: Final answer
x = 417,398.65
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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.