Finding the Fourth Proportional to 163,727.80, 245,447.70 and 110,966.20
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Solution
The fourth proportional to 163,727.80, 245,447.70 and 110,966.20 is: 166,351.70
Step by Step Solution
- Step 1: Write the proportion equation
163,727.80 : 245,447.70 = 110,966.20 : x - Step 2: Convert to fraction form
163,727.80/245,447.70 = 110,966.20/x - Step 3: Cross multiply
163,727.80x = 245,447.70 × 110,966.20 - Step 4: Simplify right side
163,727.80x = 27,236,398,567.74 - Step 5: Solve for x
x = 27,236,398,567.74/163,727.80 - Step 6: Final answer
x = 166,351.70
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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.