Finding the Fourth Proportional to 170,591.15, 235,339.70 and 98,929.68
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Solution
The fourth proportional to 170,591.15, 235,339.70 and 98,929.68 is: 136,478.83
Step by Step Solution
- Step 1: Write the proportion equation
170,591.15 : 235,339.70 = 98,929.68 : x - Step 2: Convert to fraction form
170,591.15/235,339.70 = 98,929.68/x - Step 3: Cross multiply
170,591.15x = 235,339.70 × 98,929.68 - Step 4: Simplify right side
170,591.15x = 23,282,080,717.65 - Step 5: Solve for x
x = 23,282,080,717.65/170,591.15 - Step 6: Final answer
x = 136,478.83
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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.