Finding the Fourth Proportional to 271,987.96, 375,336.56 and 151,129.55
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Solution
The fourth proportional to 271,987.96, 375,336.56 and 151,129.55 is: 208,554.99
Step by Step Solution
- Step 1: Write the proportion equation
271,987.96 : 375,336.56 = 151,129.55 : x - Step 2: Convert to fraction form
271,987.96/375,336.56 = 151,129.55/x - Step 3: Cross multiply
271,987.96x = 375,336.56 × 151,129.55 - Step 4: Simplify right side
271,987.96x = 56,724,445,411.35 - Step 5: Solve for x
x = 56,724,445,411.35/271,987.96 - Step 6: Final answer
x = 208,554.99
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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.