Finding the Fourth Proportional to 399,848.19, 599,803.19 and 133,609.62
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Solution
The fourth proportional to 399,848.19, 599,803.19 and 133,609.62 is: 200,424.76
Step by Step Solution
- Step 1: Write the proportion equation
399,848.19 : 599,803.19 = 133,609.62 : x - Step 2: Convert to fraction form
399,848.19/599,803.19 = 133,609.62/x - Step 3: Cross multiply
399,848.19x = 599,803.19 × 133,609.62 - Step 4: Simplify right side
399,848.19x = 80,139,476,290.69 - Step 5: Solve for x
x = 80,139,476,290.69/399,848.19 - Step 6: Final answer
x = 200,424.76
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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.