Finding the Fourth Proportional to 305,854.68, 422,476.38 and 232,813.74
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Solution
The fourth proportional to 305,854.68, 422,476.38 and 232,813.74 is: 321,585.09
Step by Step Solution
- Step 1: Write the proportion equation
305,854.68 : 422,476.38 = 232,813.74 : x - Step 2: Convert to fraction form
305,854.68/422,476.38 = 232,813.74/x - Step 3: Cross multiply
305,854.68x = 422,476.38 × 232,813.74 - Step 4: Simplify right side
305,854.68x = 98,358,306,089.46 - Step 5: Solve for x
x = 98,358,306,089.46/305,854.68 - Step 6: Final answer
x = 321,585.09
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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.