Finding the Fourth Proportional to 306,695.56, 423,210.18 and 226,166.44
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Solution
The fourth proportional to 306,695.56, 423,210.18 and 226,166.44 is: 312,087.79
Step by Step Solution
- Step 1: Write the proportion equation
306,695.56 : 423,210.18 = 226,166.44 : x - Step 2: Convert to fraction form
306,695.56/423,210.18 = 226,166.44/x - Step 3: Cross multiply
306,695.56x = 423,210.18 × 226,166.44 - Step 4: Simplify right side
306,695.56x = 95,715,937,666.31 - Step 5: Solve for x
x = 95,715,937,666.31/306,695.56 - Step 6: Final answer
x = 312,087.79
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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.