Finding the Fourth Proportional to 352,438.05, 486,362.88 and 191,291.70
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Solution
The fourth proportional to 352,438.05, 486,362.88 and 191,291.70 is: 263,981.66
Step by Step Solution
- Step 1: Write the proportion equation
352,438.05 : 486,362.88 = 191,291.70 : x - Step 2: Convert to fraction form
352,438.05/486,362.88 = 191,291.70/x - Step 3: Cross multiply
352,438.05x = 486,362.88 × 191,291.70 - Step 4: Simplify right side
352,438.05x = 93,037,182,132.10 - Step 5: Solve for x
x = 93,037,182,132.10/352,438.05 - Step 6: Final answer
x = 263,981.66
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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.