Finding the Fourth Proportional to 155,465.09, 214,571.20 and 97,348.81
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Solution
The fourth proportional to 155,465.09, 214,571.20 and 97,348.81 is: 134,359.75
Step by Step Solution
- Step 1: Write the proportion equation
155,465.09 : 214,571.20 = 97,348.81 : x - Step 2: Convert to fraction form
155,465.09/214,571.20 = 97,348.81/x - Step 3: Cross multiply
155,465.09x = 214,571.20 × 97,348.81 - Step 4: Simplify right side
155,465.09x = 20,888,250,980.27 - Step 5: Solve for x
x = 20,888,250,980.27/155,465.09 - Step 6: Final answer
x = 134,359.75
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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.