Finding the Fourth Proportional to 195,639.05, 293,373.12 and 69,237.28
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Solution
The fourth proportional to 195,639.05, 293,373.12 and 69,237.28 is: 103,825.68
Step by Step Solution
- Step 1: Write the proportion equation
195,639.05 : 293,373.12 = 69,237.28 : x - Step 2: Convert to fraction form
195,639.05/293,373.12 = 69,237.28/x - Step 3: Cross multiply
195,639.05x = 293,373.12 × 69,237.28 - Step 4: Simplify right side
195,639.05x = 20,312,356,896.08 - Step 5: Solve for x
x = 20,312,356,896.08/195,639.05 - Step 6: Final answer
x = 103,825.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.