Finding the Fourth Proportional to 518,420.63, 777,630.94 and 124,436.63
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Solution
The fourth proportional to 518,420.63, 777,630.94 and 124,436.63 is: 186,654.94
Step by Step Solution
- Step 1: Write the proportion equation
518,420.63 : 777,630.94 = 124,436.63 : x - Step 2: Convert to fraction form
518,420.63/777,630.94 = 124,436.63/x - Step 3: Cross multiply
518,420.63x = 777,630.94 × 124,436.63 - Step 4: Simplify right side
518,420.63x = 96,765,769,358.09 - Step 5: Solve for x
x = 96,765,769,358.09/518,420.63 - Step 6: Final answer
x = 186,654.94
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Similar ratio
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1.5x scale
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.