Finding the Fourth Proportional to 665,393.80, 998,090.70 and 244,833.70
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Solution
The fourth proportional to 665,393.80, 998,090.70 and 244,833.70 is: 367,250.55
Step by Step Solution
- Step 1: Write the proportion equation
665,393.80 : 998,090.70 = 244,833.70 : x - Step 2: Convert to fraction form
665,393.80/998,090.70 = 244,833.70/x - Step 3: Cross multiply
665,393.80x = 998,090.70 × 244,833.70 - Step 4: Simplify right side
665,393.80x = 244,366,239,016.59 - Step 5: Solve for x
x = 244,366,239,016.59/665,393.80 - Step 6: Final answer
x = 367,250.55
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Double scale
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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.