Finding the Fourth Proportional to 177,966.21, 245,592.81 and 97,394.40
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Solution
The fourth proportional to 177,966.21, 245,592.81 and 97,394.40 is: 134,403.96
Step by Step Solution
- Step 1: Write the proportion equation
177,966.21 : 245,592.81 = 97,394.40 : x - Step 2: Convert to fraction form
177,966.21/245,592.81 = 97,394.40/x - Step 3: Cross multiply
177,966.21x = 245,592.81 × 97,394.40 - Step 4: Simplify right side
177,966.21x = 23,919,364,374.26 - Step 5: Solve for x
x = 23,919,364,374.26/177,966.21 - Step 6: Final answer
x = 134,403.96
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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.