Finding the Fourth Proportional to 291,156.48, 401,791.68 and 163,822.08
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Solution
The fourth proportional to 291,156.48, 401,791.68 and 163,822.08 is: 226,072.07
Step by Step Solution
- Step 1: Write the proportion equation
291,156.48 : 401,791.68 = 163,822.08 : x - Step 2: Convert to fraction form
291,156.48/401,791.68 = 163,822.08/x - Step 3: Cross multiply
291,156.48x = 401,791.68 × 163,822.08 - Step 4: Simplify right side
291,156.48x = 65,822,348,744.29 - Step 5: Solve for x
x = 65,822,348,744.29/291,156.48 - Step 6: Final answer
x = 226,072.07
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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.