Finding the Fourth Proportional to 306,971.91, 460,560.34 and 136,170.06
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Solution
The fourth proportional to 306,971.91, 460,560.34 and 136,170.06 is: 204,300.55
Step by Step Solution
- Step 1: Write the proportion equation
306,971.91 : 460,560.34 = 136,170.06 : x - Step 2: Convert to fraction form
306,971.91/460,560.34 = 136,170.06/x - Step 3: Cross multiply
306,971.91x = 460,560.34 × 136,170.06 - Step 4: Simplify right side
306,971.91x = 62,714,528,468.58 - Step 5: Solve for x
x = 62,714,528,468.58/306,971.91 - Step 6: Final answer
x = 204,300.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.