Finding the Fourth Proportional to 352,756.60, 529,193.26 and 163,406.20
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Solution
The fourth proportional to 352,756.60, 529,193.26 and 163,406.20 is: 245,136.33
Step by Step Solution
- Step 1: Write the proportion equation
352,756.60 : 529,193.26 = 163,406.20 : x - Step 2: Convert to fraction form
352,756.60/529,193.26 = 163,406.20/x - Step 3: Cross multiply
352,756.60x = 529,193.26 × 163,406.20 - Step 4: Simplify right side
352,756.60x = 86,473,459,682.21 - Step 5: Solve for x
x = 86,473,459,682.21/352,756.60 - Step 6: Final answer
x = 245,136.33
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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.