Finding the Fourth Proportional to 213,140.27, 294,133.59 and 117,646.99
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Solution
The fourth proportional to 213,140.27, 294,133.59 and 117,646.99 is: 162,352.86
Step by Step Solution
- Step 1: Write the proportion equation
213,140.27 : 294,133.59 = 117,646.99 : x - Step 2: Convert to fraction form
213,140.27/294,133.59 = 117,646.99/x - Step 3: Cross multiply
213,140.27x = 294,133.59 × 117,646.99 - Step 4: Simplify right side
213,140.27x = 34,603,931,521.39 - Step 5: Solve for x
x = 34,603,931,521.39/213,140.27 - Step 6: Final answer
x = 162,352.86
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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.