Finding the Fourth Proportional to 230,828.20, 346,193.70 and 97,712.80
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Solution
The fourth proportional to 230,828.20, 346,193.70 and 97,712.80 is: 146,548.63
Step by Step Solution
- Step 1: Write the proportion equation
230,828.20 : 346,193.70 = 97,712.80 : x - Step 2: Convert to fraction form
230,828.20/346,193.70 = 97,712.80/x - Step 3: Cross multiply
230,828.20x = 346,193.70 × 97,712.80 - Step 4: Simplify right side
230,828.20x = 33,827,555,769.36 - Step 5: Solve for x
x = 33,827,555,769.36/230,828.20 - Step 6: Final answer
x = 146,548.63
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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.