Finding the Fourth Proportional to 608,979.36, 913,403.42 and 159,745.26
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Solution
The fourth proportional to 608,979.36, 913,403.42 and 159,745.26 is: 239,600.68
Step by Step Solution
- Step 1: Write the proportion equation
608,979.36 : 913,403.42 = 159,745.26 : x - Step 2: Convert to fraction form
608,979.36/913,403.42 = 159,745.26/x - Step 3: Cross multiply
608,979.36x = 913,403.42 × 159,745.26 - Step 4: Simplify right side
608,979.36x = 145,911,866,812.79 - Step 5: Solve for x
x = 145,911,866,812.79/608,979.36 - Step 6: Final answer
x = 239,600.68
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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.