Finding the Fourth Proportional to 292,109.49, 403,116.35 and 171,338.09
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Solution
The fourth proportional to 292,109.49, 403,116.35 and 171,338.09 is: 236,449.64
Step by Step Solution
- Step 1: Write the proportion equation
292,109.49 : 403,116.35 = 171,338.09 : x - Step 2: Convert to fraction form
292,109.49/403,116.35 = 171,338.09/x - Step 3: Cross multiply
292,109.49x = 403,116.35 × 171,338.09 - Step 4: Simplify right side
292,109.49x = 69,069,182,584.50 - Step 5: Solve for x
x = 69,069,182,584.50/292,109.49 - Step 6: Final answer
x = 236,449.64
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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.