Finding the Fourth Proportional to 631,048.26, 946,572.40 and 187,816.26
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Solution
The fourth proportional to 631,048.26, 946,572.40 and 187,816.26 is: 281,724.39
Step by Step Solution
- Step 1: Write the proportion equation
631,048.26 : 946,572.40 = 187,816.26 : x - Step 2: Convert to fraction form
631,048.26/946,572.40 = 187,816.26/x - Step 3: Cross multiply
631,048.26x = 946,572.40 × 187,816.26 - Step 4: Simplify right side
631,048.26x = 177,781,687,987.22 - Step 5: Solve for x
x = 177,781,687,987.22/631,048.26 - Step 6: Final answer
x = 281,724.39
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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.