Finding the Fourth Proportional to 170,483.68, 235,251.42 and 98,855.94
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Solution
The fourth proportional to 170,483.68, 235,251.42 and 98,855.94 is: 136,411.89
Step by Step Solution
- Step 1: Write the proportion equation
170,483.68 : 235,251.42 = 98,855.94 : x - Step 2: Convert to fraction form
170,483.68/235,251.42 = 98,855.94/x - Step 3: Cross multiply
170,483.68x = 235,251.42 × 98,855.94 - Step 4: Simplify right side
170,483.68x = 23,256,000,260.43 - Step 5: Solve for x
x = 23,256,000,260.43/170,483.68 - Step 6: Final answer
x = 136,411.89
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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.