Finding the Fourth Proportional to 397,569.60, 596,181.60 and 117,028.80
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Solution
The fourth proportional to 397,569.60, 596,181.60 and 117,028.80 is: 175,492.33
Step by Step Solution
- Step 1: Write the proportion equation
397,569.60 : 596,181.60 = 117,028.80 : x - Step 2: Convert to fraction form
397,569.60/596,181.60 = 117,028.80/x - Step 3: Cross multiply
397,569.60x = 596,181.60 × 117,028.80 - Step 4: Simplify right side
397,569.60x = 69,770,417,230.08 - Step 5: Solve for x
x = 69,770,417,230.08/397,569.60 - Step 6: Final answer
x = 175,492.33
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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.