Finding the Fourth Proportional to 145,133.52, 217,701.36 and 39,958.26
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Solution
The fourth proportional to 145,133.52, 217,701.36 and 39,958.26 is: 59,937.69
Step by Step Solution
- Step 1: Write the proportion equation
145,133.52 : 217,701.36 = 39,958.26 : x - Step 2: Convert to fraction form
145,133.52/217,701.36 = 39,958.26/x - Step 3: Cross multiply
145,133.52x = 217,701.36 × 39,958.26 - Step 4: Simplify right side
145,133.52x = 8,698,967,545.23 - Step 5: Solve for x
x = 8,698,967,545.23/145,133.52 - Step 6: Final answer
x = 59,937.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.