Finding the Fourth Proportional to 314,575.66, 434,115.08 and 171,335.26
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Solution
The fourth proportional to 314,575.66, 434,115.08 and 171,335.26 is: 236,443.02
Step by Step Solution
- Step 1: Write the proportion equation
314,575.66 : 434,115.08 = 171,335.26 : x - Step 2: Convert to fraction form
314,575.66/434,115.08 = 171,335.26/x - Step 3: Cross multiply
314,575.66x = 434,115.08 × 171,335.26 - Step 4: Simplify right side
314,575.66x = 74,379,220,101.72 - Step 5: Solve for x
x = 74,379,220,101.72/314,575.66 - Step 6: Final answer
x = 236,443.02
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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.