Finding the Fourth Proportional to 305,855.04, 422,117.28 and 192,675.84
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Solution
The fourth proportional to 305,855.04, 422,117.28 and 192,675.84 is: 265,916.17
Step by Step Solution
- Step 1: Write the proportion equation
305,855.04 : 422,117.28 = 192,675.84 : x - Step 2: Convert to fraction form
305,855.04/422,117.28 = 192,675.84/x - Step 3: Cross multiply
305,855.04x = 422,117.28 × 192,675.84 - Step 4: Simplify right side
305,855.04x = 81,331,801,502.52 - Step 5: Solve for x
x = 81,331,801,502.52/305,855.04 - Step 6: Final answer
x = 265,916.17
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1.5x scale
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.