Finding the Fourth Proportional to 403,126.08, 556,302.26 and 221,837.96
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Solution
The fourth proportional to 403,126.08, 556,302.26 and 221,837.96 is: 306,129.93
Step by Step Solution
- Step 1: Write the proportion equation
403,126.08 : 556,302.26 = 221,837.96 : x - Step 2: Convert to fraction form
403,126.08/556,302.26 = 221,837.96/x - Step 3: Cross multiply
403,126.08x = 556,302.26 × 221,837.96 - Step 4: Simplify right side
403,126.08x = 123,408,958,501.79 - Step 5: Solve for x
x = 123,408,958,501.79/403,126.08 - Step 6: Final answer
x = 306,129.93
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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.