Finding the Fourth Proportional to 146,335.64, 201,958.14 and 105,533.48
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Solution
The fourth proportional to 146,335.64, 201,958.14 and 105,533.48 is: 145,646.99
Step by Step Solution
- Step 1: Write the proportion equation
146,335.64 : 201,958.14 = 105,533.48 : x - Step 2: Convert to fraction form
146,335.64/201,958.14 = 105,533.48/x - Step 3: Cross multiply
146,335.64x = 201,958.14 × 105,533.48 - Step 4: Simplify right side
146,335.64x = 21,313,345,328.53 - Step 5: Solve for x
x = 21,313,345,328.53/146,335.64 - Step 6: Final answer
x = 145,646.99
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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.