Finding the Fourth Proportional to 145,844.97, 201,358.94 and 119,051.18
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Solution
The fourth proportional to 145,844.97, 201,358.94 and 119,051.18 is: 164,366.44
Step by Step Solution
- Step 1: Write the proportion equation
145,844.97 : 201,358.94 = 119,051.18 : x - Step 2: Convert to fraction form
145,844.97/201,358.94 = 119,051.18/x - Step 3: Cross multiply
145,844.97x = 201,358.94 × 119,051.18 - Step 4: Simplify right side
145,844.97x = 23,972,017,808.50 - Step 5: Solve for x
x = 23,972,017,808.50/145,844.97 - Step 6: Final answer
x = 164,366.44
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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.