Finding the Fourth Proportional to 293,357.44, 439,965.69 and 135,434.17
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Solution
The fourth proportional to 293,357.44, 439,965.69 and 135,434.17 is: 203,118.72
Step by Step Solution
- Step 1: Write the proportion equation
293,357.44 : 439,965.69 = 135,434.17 : x - Step 2: Convert to fraction form
293,357.44/439,965.69 = 135,434.17/x - Step 3: Cross multiply
293,357.44x = 439,965.69 × 135,434.17 - Step 4: Simplify right side
293,357.44x = 59,586,388,053.63 - Step 5: Solve for x
x = 59,586,388,053.63/293,357.44 - Step 6: Final answer
x = 203,118.72
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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.