Finding the Fourth Proportional to 352,729.08, 486,769.70 and 191,587.28
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Solution
The fourth proportional to 352,729.08, 486,769.70 and 191,587.28 is: 264,392.38
Step by Step Solution
- Step 1: Write the proportion equation
352,729.08 : 486,769.70 = 191,587.28 : x - Step 2: Convert to fraction form
352,729.08/486,769.70 = 191,587.28/x - Step 3: Cross multiply
352,729.08x = 486,769.70 × 191,587.28 - Step 4: Simplify right side
352,729.08x = 93,258,880,854.54 - Step 5: Solve for x
x = 93,258,880,854.54/352,729.08 - Step 6: Final answer
x = 264,392.38
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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.