Finding the Fourth Proportional to 292,605.78, 403,791.16 and 163,547.26
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Solution
The fourth proportional to 292,605.78, 403,791.16 and 163,547.26 is: 225,692.53
Step by Step Solution
- Step 1: Write the proportion equation
292,605.78 : 403,791.16 = 163,547.26 : x - Step 2: Convert to fraction form
292,605.78/403,791.16 = 163,547.26/x - Step 3: Cross multiply
292,605.78x = 403,791.16 × 163,547.26 - Step 4: Simplify right side
292,605.78x = 66,038,937,830.22 - Step 5: Solve for x
x = 66,038,937,830.22/292,605.78 - Step 6: Final answer
x = 225,692.53
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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.