Finding the Fourth Proportional to 389,776.26, 537,893.02 and 210,928.26
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Solution
The fourth proportional to 389,776.26, 537,893.02 and 210,928.26 is: 291,081.96
Step by Step Solution
- Step 1: Write the proportion equation
389,776.26 : 537,893.02 = 210,928.26 : x - Step 2: Convert to fraction form
389,776.26/537,893.02 = 210,928.26/x - Step 3: Cross multiply
389,776.26x = 537,893.02 × 210,928.26 - Step 4: Simplify right side
389,776.26x = 113,456,838,774.75 - Step 5: Solve for x
x = 113,456,838,774.75/389,776.26 - Step 6: Final answer
x = 291,081.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.