Finding the Fourth Proportional to 202,029.48, 278,799.48 and 111,385.08
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Solution
The fourth proportional to 202,029.48, 278,799.48 and 111,385.08 is: 153,710.75
Step by Step Solution
- Step 1: Write the proportion equation
202,029.48 : 278,799.48 = 111,385.08 : x - Step 2: Convert to fraction form
202,029.48/278,799.48 = 111,385.08/x - Step 3: Cross multiply
202,029.48x = 278,799.48 × 111,385.08 - Step 4: Simplify right side
202,029.48x = 31,054,102,383.76 - Step 5: Solve for x
x = 31,054,102,383.76/202,029.48 - Step 6: Final answer
x = 153,710.75
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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.