Finding the Fourth Proportional to 306,694.08, 423,208.80 and 172,549.44
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Solution
The fourth proportional to 306,694.08, 423,208.80 and 172,549.44 is: 238,101.89
Step by Step Solution
- Step 1: Write the proportion equation
306,694.08 : 423,208.80 = 172,549.44 : x - Step 2: Convert to fraction form
306,694.08/423,208.80 = 172,549.44/x - Step 3: Cross multiply
306,694.08x = 423,208.80 × 172,549.44 - Step 4: Simplify right side
306,694.08x = 73,024,441,443.07 - Step 5: Solve for x
x = 73,024,441,443.07/306,694.08 - Step 6: Final answer
x = 238,101.89
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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.