Finding the Fourth Proportional to 183,966.78, 253,895.21 and 102,303.18
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Solution
The fourth proportional to 183,966.78, 253,895.21 and 102,303.18 is: 141,190.09
Step by Step Solution
- Step 1: Write the proportion equation
183,966.78 : 253,895.21 = 102,303.18 : x - Step 2: Convert to fraction form
183,966.78/253,895.21 = 102,303.18/x - Step 3: Cross multiply
183,966.78x = 253,895.21 × 102,303.18 - Step 4: Simplify right side
183,966.78x = 25,974,286,858.25 - Step 5: Solve for x
x = 25,974,286,858.25/183,966.78 - Step 6: Final answer
x = 141,190.09
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1.5x scale
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.