Finding the Fourth Proportional to 557,614.20, 836,421.30 and 202,639.80
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Solution
The fourth proportional to 557,614.20, 836,421.30 and 202,639.80 is: 303,959.70
Step by Step Solution
- Step 1: Write the proportion equation
557,614.20 : 836,421.30 = 202,639.80 : x - Step 2: Convert to fraction form
557,614.20/836,421.30 = 202,639.80/x - Step 3: Cross multiply
557,614.20x = 836,421.30 × 202,639.80 - Step 4: Simplify right side
557,614.20x = 169,492,244,947.74 - Step 5: Solve for x
x = 169,492,244,947.74/557,614.20 - Step 6: Final answer
x = 303,959.70
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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.