Finding the Fourth Proportional to 213,355.09, 294,433.86 and 117,856.09
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Solution
The fourth proportional to 213,355.09, 294,433.86 and 117,856.09 is: 162,643.52
Step by Step Solution
- Step 1: Write the proportion equation
213,355.09 : 294,433.86 = 117,856.09 : x - Step 2: Convert to fraction form
213,355.09/294,433.86 = 117,856.09/x - Step 3: Cross multiply
213,355.09x = 294,433.86 × 117,856.09 - Step 4: Simplify right side
213,355.09x = 34,700,823,503.21 - Step 5: Solve for x
x = 34,700,823,503.21/213,355.09 - Step 6: Final answer
x = 162,643.52
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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.