Finding the Fourth Proportional to 576,178.40, 864,267.60 and 202,239.20
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Solution
The fourth proportional to 576,178.40, 864,267.60 and 202,239.20 is: 303,358.80
Step by Step Solution
- Step 1: Write the proportion equation
576,178.40 : 864,267.60 = 202,239.20 : x - Step 2: Convert to fraction form
576,178.40/864,267.60 = 202,239.20/x - Step 3: Cross multiply
576,178.40x = 864,267.60 × 202,239.20 - Step 4: Simplify right side
576,178.40x = 174,788,788,009.92 - Step 5: Solve for x
x = 174,788,788,009.92/576,178.40 - Step 6: Final answer
x = 303,358.80
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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.