Finding the Fourth Proportional to 453,719.11, 680,526.82 and 121,321.03
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Solution
The fourth proportional to 453,719.11, 680,526.82 and 121,321.03 is: 181,967.68
Step by Step Solution
- Step 1: Write the proportion equation
453,719.11 : 680,526.82 = 121,321.03 : x - Step 2: Convert to fraction form
453,719.11/680,526.82 = 121,321.03/x - Step 3: Cross multiply
453,719.11x = 680,526.82 × 121,321.03 - Step 4: Simplify right side
453,719.11x = 82,562,212,740.41 - Step 5: Solve for x
x = 82,562,212,740.41/453,719.11 - Step 6: Final answer
x = 181,967.68
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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.