Finding the Fourth Proportional to 386,302.06, 579,536.13 and 130,160.08
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Solution
The fourth proportional to 386,302.06, 579,536.13 and 130,160.08 is: 195,268.10
Step by Step Solution
- Step 1: Write the proportion equation
386,302.06 : 579,536.13 = 130,160.08 : x - Step 2: Convert to fraction form
386,302.06/579,536.13 = 130,160.08/x - Step 3: Cross multiply
386,302.06x = 579,536.13 × 130,160.08 - Step 4: Simplify right side
386,302.06x = 75,432,470,256.21 - Step 5: Solve for x
x = 75,432,470,256.21/386,302.06 - Step 6: Final answer
x = 195,268.10
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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.