Finding the Fourth Proportional to 258,055.24, 356,110.98 and 144,877.96
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Solution
The fourth proportional to 258,055.24, 356,110.98 and 144,877.96 is: 199,928.64
Step by Step Solution
- Step 1: Write the proportion equation
258,055.24 : 356,110.98 = 144,877.96 : x - Step 2: Convert to fraction form
258,055.24/356,110.98 = 144,877.96/x - Step 3: Cross multiply
258,055.24x = 356,110.98 × 144,877.96 - Step 4: Simplify right side
258,055.24x = 51,592,632,316.00 - Step 5: Solve for x
x = 51,592,632,316.00/258,055.24 - Step 6: Final answer
x = 199,928.64
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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.