Finding the Fourth Proportional to 305,701.71, 458,125.43 and 260,486.97
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Solution
The fourth proportional to 305,701.71, 458,125.43 and 260,486.97 is: 390,366.49
Step by Step Solution
- Step 1: Write the proportion equation
305,701.71 : 458,125.43 = 260,486.97 : x - Step 2: Convert to fraction form
305,701.71/458,125.43 = 260,486.97/x - Step 3: Cross multiply
305,701.71x = 458,125.43 × 260,486.97 - Step 4: Simplify right side
305,701.71x = 119,335,703,838.21 - Step 5: Solve for x
x = 119,335,703,838.21/305,701.71 - Step 6: Final answer
x = 390,366.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.