Finding the Fourth Proportional to 213,139.35, 294,134.74 and 117,646.12
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Solution
The fourth proportional to 213,139.35, 294,134.74 and 117,646.12 is: 162,352.99
Step by Step Solution
- Step 1: Write the proportion equation
213,139.35 : 294,134.74 = 117,646.12 : x - Step 2: Convert to fraction form
213,139.35/294,134.74 = 117,646.12/x - Step 3: Cross multiply
213,139.35x = 294,134.74 × 117,646.12 - Step 4: Simplify right side
213,139.35x = 34,603,811,653.52 - Step 5: Solve for x
x = 34,603,811,653.52/213,139.35 - Step 6: Final answer
x = 162,352.99
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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.