Finding the Fourth Proportional to 98,203.04, 147,357.44 and 39,039.28
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Solution
The fourth proportional to 98,203.04, 147,357.44 and 39,039.28 is: 58,579.94
Step by Step Solution
- Step 1: Write the proportion equation
98,203.04 : 147,357.44 = 39,039.28 : x - Step 2: Convert to fraction form
98,203.04/147,357.44 = 39,039.28/x - Step 3: Cross multiply
98,203.04x = 147,357.44 × 39,039.28 - Step 4: Simplify right side
98,203.04x = 5,752,728,360.24 - Step 5: Solve for x
x = 5,752,728,360.24/98,203.04 - Step 6: Final answer
x = 58,579.94
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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.