Finding the Fourth Proportional to 453,645.16, 680,466.74 and 134,021.43
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Solution
The fourth proportional to 453,645.16, 680,466.74 and 134,021.43 is: 201,031.85
Step by Step Solution
- Step 1: Write the proportion equation
453,645.16 : 680,466.74 = 134,021.43 : x - Step 2: Convert to fraction form
453,645.16/680,466.74 = 134,021.43/x - Step 3: Cross multiply
453,645.16x = 680,466.74 × 134,021.43 - Step 4: Simplify right side
453,645.16x = 91,197,124,892.13 - Step 5: Solve for x
x = 91,197,124,892.13/453,645.16 - Step 6: Final answer
x = 201,031.85
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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.