Finding the Fourth Proportional to 298,699.76, 412,117.80 and 177,780.26
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Solution
The fourth proportional to 298,699.76, 412,117.80 and 177,780.26 is: 245,284.46
Step by Step Solution
- Step 1: Write the proportion equation
298,699.76 : 412,117.80 = 177,780.26 : x - Step 2: Convert to fraction form
298,699.76/412,117.80 = 177,780.26/x - Step 3: Cross multiply
298,699.76x = 412,117.80 × 177,780.26 - Step 4: Simplify right side
298,699.76x = 73,266,409,634.63 - Step 5: Solve for x
x = 73,266,409,634.63/298,699.76 - Step 6: Final answer
x = 245,284.46
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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.