Finding the Fourth Proportional to 145,927.93, 201,371.88 and 84,669.38
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Solution
The fourth proportional to 145,927.93, 201,371.88 and 84,669.38 is: 116,838.72
Step by Step Solution
- Step 1: Write the proportion equation
145,927.93 : 201,371.88 = 84,669.38 : x - Step 2: Convert to fraction form
145,927.93/201,371.88 = 84,669.38/x - Step 3: Cross multiply
145,927.93x = 201,371.88 × 84,669.38 - Step 4: Simplify right side
145,927.93x = 17,050,032,229.03 - Step 5: Solve for x
x = 17,050,032,229.03/145,927.93 - Step 6: Final answer
x = 116,838.72
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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.