Finding the Fourth Proportional to 418,563.08, 627,844.64 and 123,075.08
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Solution
The fourth proportional to 418,563.08, 627,844.64 and 123,075.08 is: 184,612.63
Step by Step Solution
- Step 1: Write the proportion equation
418,563.08 : 627,844.64 = 123,075.08 : x - Step 2: Convert to fraction form
418,563.08/627,844.64 = 123,075.08/x - Step 3: Cross multiply
418,563.08x = 627,844.64 × 123,075.08 - Step 4: Simplify right side
418,563.08x = 77,272,029,295.57 - Step 5: Solve for x
x = 77,272,029,295.57/418,563.08 - Step 6: Final answer
x = 184,612.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.