Finding the Fourth Proportional to 230,974.20, 346,412.70 and 97,858.80
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Solution
The fourth proportional to 230,974.20, 346,412.70 and 97,858.80 is: 146,767.61
Step by Step Solution
- Step 1: Write the proportion equation
230,974.20 : 346,412.70 = 97,858.80 : x - Step 2: Convert to fraction form
230,974.20/346,412.70 = 97,858.80/x - Step 3: Cross multiply
230,974.20x = 346,412.70 × 97,858.80 - Step 4: Simplify right side
230,974.20x = 33,899,531,126.76 - Step 5: Solve for x
x = 33,899,531,126.76/230,974.20 - Step 6: Final answer
x = 146,767.61
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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.