Finding the Fourth Proportional to 614,745.93, 848,353.08 and 342,831.02
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Solution
The fourth proportional to 614,745.93, 848,353.08 and 342,831.02 is: 473,108.87
Step by Step Solution
- Step 1: Write the proportion equation
614,745.93 : 848,353.08 = 342,831.02 : x - Step 2: Convert to fraction form
614,745.93/848,353.08 = 342,831.02/x - Step 3: Cross multiply
614,745.93x = 848,353.08 × 342,831.02 - Step 4: Simplify right side
614,745.93x = 290,841,751,736.54 - Step 5: Solve for x
x = 290,841,751,736.54/614,745.93 - Step 6: Final answer
x = 473,108.87
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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.