Finding the Fourth Proportional to 230,881.20, 346,321.80 and 97,717.20
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Solution
The fourth proportional to 230,881.20, 346,321.80 and 97,717.20 is: 146,575.80
Step by Step Solution
- Step 1: Write the proportion equation
230,881.20 : 346,321.80 = 97,717.20 : x - Step 2: Convert to fraction form
230,881.20/346,321.80 = 97,717.20/x - Step 3: Cross multiply
230,881.20x = 346,321.80 × 97,717.20 - Step 4: Simplify right side
230,881.20x = 33,841,596,594.96 - Step 5: Solve for x
x = 33,841,596,594.96/230,881.20 - Step 6: Final answer
x = 146,575.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.