Finding the Fourth Proportional to 352,428.44, 486,351.68 and 191,283.48
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Solution
The fourth proportional to 352,428.44, 486,351.68 and 191,283.48 is: 263,971.44
Step by Step Solution
- Step 1: Write the proportion equation
352,428.44 : 486,351.68 = 191,283.48 : x - Step 2: Convert to fraction form
352,428.44/486,351.68 = 191,283.48/x - Step 3: Cross multiply
352,428.44x = 486,351.68 × 191,283.48 - Step 4: Simplify right side
352,428.44x = 93,031,041,854.25 - Step 5: Solve for x
x = 93,031,041,854.25/352,428.44 - Step 6: Final answer
x = 263,971.44
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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.