Finding the Fourth Proportional to 387,539.08, 534,804.06 and 217,773.88
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Solution
The fourth proportional to 387,539.08, 534,804.06 and 217,773.88 is: 300,528.03
Step by Step Solution
- Step 1: Write the proportion equation
387,539.08 : 534,804.06 = 217,773.88 : x - Step 2: Convert to fraction form
387,539.08/534,804.06 = 217,773.88/x - Step 3: Cross multiply
387,539.08x = 534,804.06 × 217,773.88 - Step 4: Simplify right side
387,539.08x = 116,466,355,185.95 - Step 5: Solve for x
x = 116,466,355,185.95/387,539.08 - Step 6: Final answer
x = 300,528.03
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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.