Finding the Fourth Proportional to 230,987.20, 346,437.06 and 97,871.80
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Solution
The fourth proportional to 230,987.20, 346,437.06 and 97,871.80 is: 146,789.17
Step by Step Solution
- Step 1: Write the proportion equation
230,987.20 : 346,437.06 = 97,871.80 : x - Step 2: Convert to fraction form
230,987.20/346,437.06 = 97,871.80/x - Step 3: Cross multiply
230,987.20x = 346,437.06 × 97,871.80 - Step 4: Simplify right side
230,987.20x = 33,906,418,648.91 - Step 5: Solve for x
x = 33,906,418,648.91/230,987.20 - Step 6: Final answer
x = 146,789.17
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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.