Finding the Fourth Proportional to 453,740.19, 680,451.42 and 133,807.11
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Solution
The fourth proportional to 453,740.19, 680,451.42 and 133,807.11 is: 200,663.82
Step by Step Solution
- Step 1: Write the proportion equation
453,740.19 : 680,451.42 = 133,807.11 : x - Step 2: Convert to fraction form
453,740.19/680,451.42 = 133,807.11/x - Step 3: Cross multiply
453,740.19x = 680,451.42 × 133,807.11 - Step 4: Simplify right side
453,740.19x = 91,049,238,005.60 - Step 5: Solve for x
x = 91,049,238,005.60/453,740.19 - Step 6: Final answer
x = 200,663.82
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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.