Finding the Fourth Proportional to 309,990.91, 464,553.30 and 167,529.06
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Solution
The fourth proportional to 309,990.91, 464,553.30 and 167,529.06 is: 251,059.54
Step by Step Solution
- Step 1: Write the proportion equation
309,990.91 : 464,553.30 = 167,529.06 : x - Step 2: Convert to fraction form
309,990.91/464,553.30 = 167,529.06/x - Step 3: Cross multiply
309,990.91x = 464,553.30 × 167,529.06 - Step 4: Simplify right side
309,990.91x = 77,826,175,346.13 - Step 5: Solve for x
x = 77,826,175,346.13/309,990.91 - Step 6: Final answer
x = 251,059.54
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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.