Finding the Fourth Proportional to 285,114.60, 393,419.23 and 170,368.99
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Solution
The fourth proportional to 285,114.60, 393,419.23 and 170,368.99 is: 235,085.95
Step by Step Solution
- Step 1: Write the proportion equation
285,114.60 : 393,419.23 = 170,368.99 : x - Step 2: Convert to fraction form
285,114.60/393,419.23 = 170,368.99/x - Step 3: Cross multiply
285,114.60x = 393,419.23 × 170,368.99 - Step 4: Simplify right side
285,114.60x = 67,026,435,452.21 - Step 5: Solve for x
x = 67,026,435,452.21/285,114.60 - Step 6: Final answer
x = 235,085.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.