Finding the Fourth Proportional to 305,702.71, 458,126.92 and 260,487.97
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Solution
The fourth proportional to 305,702.71, 458,126.92 and 260,487.97 is: 390,367.99
Step by Step Solution
- Step 1: Write the proportion equation
305,702.71 : 458,126.92 = 260,487.97 : x - Step 2: Convert to fraction form
305,702.71/458,126.92 = 260,487.97/x - Step 3: Cross multiply
305,702.71x = 458,126.92 × 260,487.97 - Step 4: Simplify right side
305,702.71x = 119,336,551,393.15 - Step 5: Solve for x
x = 119,336,551,393.15/305,702.71 - Step 6: Final answer
x = 390,367.99
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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.