Finding the Fourth Proportional to 493,876.50, 681,535.63 and 289,924.17
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Solution
The fourth proportional to 493,876.50, 681,535.63 and 289,924.17 is: 400,087.17
Step by Step Solution
- Step 1: Write the proportion equation
493,876.50 : 681,535.63 = 289,924.17 : x - Step 2: Convert to fraction form
493,876.50/681,535.63 = 289,924.17/x - Step 3: Cross multiply
493,876.50x = 681,535.63 × 289,924.17 - Step 4: Simplify right side
493,876.50x = 197,593,651,853.18 - Step 5: Solve for x
x = 197,593,651,853.18/493,876.50 - Step 6: Final answer
x = 400,087.17
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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.