Finding the Fourth Proportional to 622,643.87, 933,342.18 and 243,042.63
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Solution
The fourth proportional to 622,643.87, 933,342.18 and 243,042.63 is: 364,320.52
Step by Step Solution
- Step 1: Write the proportion equation
622,643.87 : 933,342.18 = 243,042.63 : x - Step 2: Convert to fraction form
622,643.87/933,342.18 = 243,042.63/x - Step 3: Cross multiply
622,643.87x = 933,342.18 × 243,042.63 - Step 4: Simplify right side
622,643.87x = 226,841,938,117.13 - Step 5: Solve for x
x = 226,841,938,117.13/622,643.87 - Step 6: Final answer
x = 364,320.52
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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.