Finding the Fourth Proportional to 146,619.84, 202,335.84 and 79,552.32
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Solution
The fourth proportional to 146,619.84, 202,335.84 and 79,552.32 is: 109,782.45
Step by Step Solution
- Step 1: Write the proportion equation
146,619.84 : 202,335.84 = 79,552.32 : x - Step 2: Convert to fraction form
146,619.84/202,335.84 = 79,552.32/x - Step 3: Cross multiply
146,619.84x = 202,335.84 × 79,552.32 - Step 4: Simplify right side
146,619.84x = 16,096,285,491.15 - Step 5: Solve for x
x = 16,096,285,491.15/146,619.84 - Step 6: Final answer
x = 109,782.45
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1.5x scale
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.