Finding the Fourth Proportional to 248,399.12, 342,792.36 and 135,221.84
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Solution
The fourth proportional to 248,399.12, 342,792.36 and 135,221.84 is: 186,607.00
Step by Step Solution
- Step 1: Write the proportion equation
248,399.12 : 342,792.36 = 135,221.84 : x - Step 2: Convert to fraction form
248,399.12/342,792.36 = 135,221.84/x - Step 3: Cross multiply
248,399.12x = 342,792.36 × 135,221.84 - Step 4: Simplify right side
248,399.12x = 46,353,013,657.14 - Step 5: Solve for x
x = 46,353,013,657.14/248,399.12 - Step 6: Final answer
x = 186,607.00
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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.