Finding the Fourth Proportional to 352,802.60, 486,871.74 and 191,660.19
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Solution
The fourth proportional to 352,802.60, 486,871.74 and 191,660.19 is: 264,493.32
Step by Step Solution
- Step 1: Write the proportion equation
352,802.60 : 486,871.74 = 191,660.19 : x - Step 2: Convert to fraction form
352,802.60/486,871.74 = 191,660.19/x - Step 3: Cross multiply
352,802.60x = 486,871.74 × 191,660.19 - Step 4: Simplify right side
352,802.60x = 93,313,930,567.87 - Step 5: Solve for x
x = 93,313,930,567.87/352,802.60 - Step 6: Final answer
x = 264,493.32
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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.