Finding the Fourth Proportional to 163,273.20, 244,909.80 and 121,282.80
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Solution
The fourth proportional to 163,273.20, 244,909.80 and 121,282.80 is: 181,924.20
Step by Step Solution
- Step 1: Write the proportion equation
163,273.20 : 244,909.80 = 121,282.80 : x - Step 2: Convert to fraction form
163,273.20/244,909.80 = 121,282.80/x - Step 3: Cross multiply
163,273.20x = 244,909.80 × 121,282.80 - Step 4: Simplify right side
163,273.20x = 29,703,346,291.44 - Step 5: Solve for x
x = 29,703,346,291.44/163,273.20 - Step 6: Final answer
x = 181,924.20
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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.