Finding the Fourth Proportional to 299,437.40, 448,637.70 and 194,202.20
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Solution
The fourth proportional to 299,437.40, 448,637.70 and 194,202.20 is: 290,967.09
Step by Step Solution
- Step 1: Write the proportion equation
299,437.40 : 448,637.70 = 194,202.20 : x - Step 2: Convert to fraction form
299,437.40/448,637.70 = 194,202.20/x - Step 3: Cross multiply
299,437.40x = 448,637.70 × 194,202.20 - Step 4: Simplify right side
299,437.40x = 87,126,428,342.94 - Step 5: Solve for x
x = 87,126,428,342.94/299,437.40 - Step 6: Final answer
x = 290,967.09
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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.