Finding the Fourth Proportional to 484,513.18, 668,628.18 and 269,703.98
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Solution
The fourth proportional to 484,513.18, 668,628.18 and 269,703.98 is: 372,191.49
Step by Step Solution
- Step 1: Write the proportion equation
484,513.18 : 668,628.18 = 269,703.98 : x - Step 2: Convert to fraction form
484,513.18/668,628.18 = 269,703.98/x - Step 3: Cross multiply
484,513.18x = 668,628.18 × 269,703.98 - Step 4: Simplify right side
484,513.18x = 180,331,681,286.16 - Step 5: Solve for x
x = 180,331,681,286.16/484,513.18 - Step 6: Final answer
x = 372,191.49
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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.