Finding the Fourth Proportional to 453,762.20, 680,686.14 and 133,915.28
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Solution
The fourth proportional to 453,762.20, 680,686.14 and 133,915.28 is: 200,885.56
Step by Step Solution
- Step 1: Write the proportion equation
453,762.20 : 680,686.14 = 133,915.28 : x - Step 2: Convert to fraction form
453,762.20/680,686.14 = 133,915.28/x - Step 3: Cross multiply
453,762.20x = 680,686.14 × 133,915.28 - Step 4: Simplify right side
453,762.20x = 91,154,275,030.22 - Step 5: Solve for x
x = 91,154,275,030.22/453,762.20 - Step 6: Final answer
x = 200,885.56
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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.