Finding the Fourth Proportional to 352,491.05, 486,438.27 and 191,346.21
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Solution
The fourth proportional to 352,491.05, 486,438.27 and 191,346.21 is: 264,058.11
Step by Step Solution
- Step 1: Write the proportion equation
352,491.05 : 486,438.27 = 191,346.21 : x - Step 2: Convert to fraction form
352,491.05/486,438.27 = 191,346.21/x - Step 3: Cross multiply
352,491.05x = 486,438.27 × 191,346.21 - Step 4: Simplify right side
352,491.05x = 93,078,119,722.23 - Step 5: Solve for x
x = 93,078,119,722.23/352,491.05 - Step 6: Final answer
x = 264,058.11
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1.5x scale
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.