Finding the Fourth Proportional to 230,988.20, 346,438.56 and 97,872.80
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Solution
The fourth proportional to 230,988.20, 346,438.56 and 97,872.80 is: 146,790.67
Step by Step Solution
- Step 1: Write the proportion equation
230,988.20 : 346,438.56 = 97,872.80 : x - Step 2: Convert to fraction form
230,988.20/346,438.56 = 97,872.80/x - Step 3: Cross multiply
230,988.20x = 346,438.56 × 97,872.80 - Step 4: Simplify right side
230,988.20x = 33,906,911,895.17 - Step 5: Solve for x
x = 33,906,911,895.17/230,988.20 - Step 6: Final answer
x = 146,790.67
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1.5x scale
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.