Finding the Fourth Proportional to 146,579.22, 202,244.04 and 86,145.12
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Solution
The fourth proportional to 146,579.22, 202,244.04 and 86,145.12 is: 118,859.53
Step by Step Solution
- Step 1: Write the proportion equation
146,579.22 : 202,244.04 = 86,145.12 : x - Step 2: Convert to fraction form
146,579.22/202,244.04 = 86,145.12/x - Step 3: Cross multiply
146,579.22x = 202,244.04 × 86,145.12 - Step 4: Simplify right side
146,579.22x = 17,422,337,095.08 - Step 5: Solve for x
x = 17,422,337,095.08/146,579.22 - Step 6: Final answer
x = 118,859.53
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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.