Finding the Fourth Proportional to 459,016.97, 633,430.74 and 255,062.62
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Solution
The fourth proportional to 459,016.97, 633,430.74 and 255,062.62 is: 351,979.37
Step by Step Solution
- Step 1: Write the proportion equation
459,016.97 : 633,430.74 = 255,062.62 : x - Step 2: Convert to fraction form
459,016.97/633,430.74 = 255,062.62/x - Step 3: Cross multiply
459,016.97x = 633,430.74 × 255,062.62 - Step 4: Simplify right side
459,016.97x = 161,564,502,549.36 - Step 5: Solve for x
x = 161,564,502,549.36/459,016.97 - Step 6: Final answer
x = 351,979.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.