Finding the Fourth Proportional to 145,904.09, 201,313.35 and 88,542.11
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Solution
The fourth proportional to 145,904.09, 201,313.35 and 88,542.11 is: 122,167.31
Step by Step Solution
- Step 1: Write the proportion equation
145,904.09 : 201,313.35 = 88,542.11 : x - Step 2: Convert to fraction form
145,904.09/201,313.35 = 88,542.11/x - Step 3: Cross multiply
145,904.09x = 201,313.35 × 88,542.11 - Step 4: Simplify right side
145,904.09x = 17,824,709,283.45 - Step 5: Solve for x
x = 17,824,709,283.45/145,904.09 - Step 6: Final answer
x = 122,167.31
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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.