Finding the Fourth Proportional to 438,599.40, 658,052.70 and 189,460.20
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Solution
The fourth proportional to 438,599.40, 658,052.70 and 189,460.20 is: 284,256.65
Step by Step Solution
- Step 1: Write the proportion equation
438,599.40 : 658,052.70 = 189,460.20 : x - Step 2: Convert to fraction form
438,599.40/658,052.70 = 189,460.20/x - Step 3: Cross multiply
438,599.40x = 658,052.70 × 189,460.20 - Step 4: Simplify right side
438,599.40x = 124,674,796,152.54 - Step 5: Solve for x
x = 124,674,796,152.54/438,599.40 - Step 6: Final answer
x = 284,256.65
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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.