Finding the Fourth Proportional to 177,780.06, 245,398.26 and 102,358.62
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Solution
The fourth proportional to 177,780.06, 245,398.26 and 102,358.62 is: 141,290.46
Step by Step Solution
- Step 1: Write the proportion equation
177,780.06 : 245,398.26 = 102,358.62 : x - Step 2: Convert to fraction form
177,780.06/245,398.26 = 102,358.62/x - Step 3: Cross multiply
177,780.06x = 245,398.26 × 102,358.62 - Step 4: Simplify right side
177,780.06x = 25,118,627,244.00 - Step 5: Solve for x
x = 25,118,627,244.00/177,780.06 - Step 6: Final answer
x = 141,290.46
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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.