Finding the Fourth Proportional to 556,907.52, 768,349.44 and 315,166.08
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Solution
The fourth proportional to 556,907.52, 768,349.44 and 315,166.08 is: 434,825.66
Step by Step Solution
- Step 1: Write the proportion equation
556,907.52 : 768,349.44 = 315,166.08 : x - Step 2: Convert to fraction form
556,907.52/768,349.44 = 315,166.08/x - Step 3: Cross multiply
556,907.52x = 768,349.44 × 315,166.08 - Step 4: Simplify right side
556,907.52x = 242,157,681,075.00 - Step 5: Solve for x
x = 242,157,681,075.00/556,907.52 - Step 6: Final answer
x = 434,825.66
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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.