Finding the Fourth Proportional to 306,660.80, 423,191.86 and 170,691.82
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Solution
The fourth proportional to 306,660.80, 423,191.86 and 170,691.82 is: 235,554.69
Step by Step Solution
- Step 1: Write the proportion equation
306,660.80 : 423,191.86 = 170,691.82 : x - Step 2: Convert to fraction form
306,660.80/423,191.86 = 170,691.82/x - Step 3: Cross multiply
306,660.80x = 423,191.86 × 170,691.82 - Step 4: Simplify right side
306,660.80x = 72,235,388,792.59 - Step 5: Solve for x
x = 72,235,388,792.59/306,660.80 - Step 6: Final answer
x = 235,554.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.