Finding the Fourth Proportional to 112,358.92, 155,042.10 and 62,054.92
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Solution
The fourth proportional to 112,358.92, 155,042.10 and 62,054.92 is: 85,628.49
Step by Step Solution
- Step 1: Write the proportion equation
112,358.92 : 155,042.10 = 62,054.92 : x - Step 2: Convert to fraction form
112,358.92/155,042.10 = 62,054.92/x - Step 3: Cross multiply
112,358.92x = 155,042.10 × 62,054.92 - Step 4: Simplify right side
112,358.92x = 9,621,125,112.13 - Step 5: Solve for x
x = 9,621,125,112.13/112,358.92 - Step 6: Final answer
x = 85,628.49
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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.