Finding the Fourth Proportional to 366,928.49, 506,364.98 and 205,780.08
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Solution
The fourth proportional to 366,928.49, 506,364.98 and 205,780.08 is: 283,978.57
Step by Step Solution
- Step 1: Write the proportion equation
366,928.49 : 506,364.98 = 205,780.08 : x - Step 2: Convert to fraction form
366,928.49/506,364.98 = 205,780.08/x - Step 3: Cross multiply
366,928.49x = 506,364.98 × 205,780.08 - Step 4: Simplify right side
366,928.49x = 104,199,826,093.60 - Step 5: Solve for x
x = 104,199,826,093.60/366,928.49 - Step 6: Final answer
x = 283,978.57
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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.