Finding the Fourth Proportional to 306,935.62, 423,549.36 and 169,108.45
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Solution
The fourth proportional to 306,935.62, 423,549.36 and 169,108.45 is: 233,357.65
Step by Step Solution
- Step 1: Write the proportion equation
306,935.62 : 423,549.36 = 169,108.45 : x - Step 2: Convert to fraction form
306,935.62/423,549.36 = 169,108.45/x - Step 3: Cross multiply
306,935.62x = 423,549.36 × 169,108.45 - Step 4: Simplify right side
306,935.62x = 71,625,774,709.22 - Step 5: Solve for x
x = 71,625,774,709.22/306,935.62 - Step 6: Final answer
x = 233,357.65
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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.