Finding the Fourth Proportional to 352,565.73, 486,540.70 and 191,420.80
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Solution
The fourth proportional to 352,565.73, 486,540.70 and 191,420.80 is: 264,160.70
Step by Step Solution
- Step 1: Write the proportion equation
352,565.73 : 486,540.70 = 191,420.80 : x - Step 2: Convert to fraction form
352,565.73/486,540.70 = 191,420.80/x - Step 3: Cross multiply
352,565.73x = 486,540.70 × 191,420.80 - Step 4: Simplify right side
352,565.73x = 93,134,009,677.63 - Step 5: Solve for x
x = 93,134,009,677.63/352,565.73 - Step 6: Final answer
x = 264,160.70
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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.