Finding the Fourth Proportional to 557,342.20, 836,013.30 and 202,367.80
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Solution
The fourth proportional to 557,342.20, 836,013.30 and 202,367.80 is: 303,551.70
Step by Step Solution
- Step 1: Write the proportion equation
557,342.20 : 836,013.30 = 202,367.80 : x - Step 2: Convert to fraction form
557,342.20/836,013.30 = 202,367.80/x - Step 3: Cross multiply
557,342.20x = 836,013.30 × 202,367.80 - Step 4: Simplify right side
557,342.20x = 169,182,172,291.74 - Step 5: Solve for x
x = 169,182,172,291.74/557,342.20 - Step 6: Final answer
x = 303,551.70
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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.