Finding the Fourth Proportional to 453,709.18, 680,563.79 and 169,421.93
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Solution
The fourth proportional to 453,709.18, 680,563.79 and 169,421.93 is: 254,132.90
Step by Step Solution
- Step 1: Write the proportion equation
453,709.18 : 680,563.79 = 169,421.93 : x - Step 2: Convert to fraction form
453,709.18/680,563.79 = 169,421.93/x - Step 3: Cross multiply
453,709.18x = 680,563.79 × 169,421.93 - Step 4: Simplify right side
453,709.18x = 115,302,428,664.95 - Step 5: Solve for x
x = 115,302,428,664.95/453,709.18 - Step 6: Final answer
x = 254,132.90
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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.