Finding the Fourth Proportional to 119,044.87, 164,276.76 and 65,330.79
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Solution
The fourth proportional to 119,044.87, 164,276.76 and 65,330.79 is: 90,153.65
Step by Step Solution
- Step 1: Write the proportion equation
119,044.87 : 164,276.76 = 65,330.79 : x - Step 2: Convert to fraction form
119,044.87/164,276.76 = 65,330.79/x - Step 3: Cross multiply
119,044.87x = 164,276.76 × 65,330.79 - Step 4: Simplify right side
119,044.87x = 10,732,329,770.91 - Step 5: Solve for x
x = 10,732,329,770.91/119,044.87 - Step 6: Final answer
x = 90,153.65
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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.