Finding the Fourth Proportional to 351,723.36, 527,649.84 and 115,079.28
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Solution
The fourth proportional to 351,723.36, 527,649.84 and 115,079.28 is: 172,640.12
Step by Step Solution
- Step 1: Write the proportion equation
351,723.36 : 527,649.84 = 115,079.28 : x - Step 2: Convert to fraction form
351,723.36/527,649.84 = 115,079.28/x - Step 3: Cross multiply
351,723.36x = 527,649.84 × 115,079.28 - Step 4: Simplify right side
351,723.36x = 60,721,563,679.32 - Step 5: Solve for x
x = 60,721,563,679.32/351,723.36 - Step 6: Final answer
x = 172,640.12
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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.