Finding the Fourth Proportional to 554,616.09, 831,924.18 and 180,639.09
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Solution
The fourth proportional to 554,616.09, 831,924.18 and 180,639.09 is: 270,958.65
Step by Step Solution
- Step 1: Write the proportion equation
554,616.09 : 831,924.18 = 180,639.09 : x - Step 2: Convert to fraction form
554,616.09/831,924.18 = 180,639.09/x - Step 3: Cross multiply
554,616.09x = 831,924.18 × 180,639.09 - Step 4: Simplify right side
554,616.09x = 150,278,026,824.20 - Step 5: Solve for x
x = 150,278,026,824.20/554,616.09 - Step 6: Final answer
x = 270,958.65
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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.