Finding the Fourth Proportional to 145,053.96, 217,555.68 and 39,847.92
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Solution
The fourth proportional to 145,053.96, 217,555.68 and 39,847.92 is: 59,764.94
Step by Step Solution
- Step 1: Write the proportion equation
145,053.96 : 217,555.68 = 39,847.92 : x - Step 2: Convert to fraction form
145,053.96/217,555.68 = 39,847.92/x - Step 3: Cross multiply
145,053.96x = 217,555.68 × 39,847.92 - Step 4: Simplify right side
145,053.96x = 8,669,141,332.19 - Step 5: Solve for x
x = 8,669,141,332.19/145,053.96 - Step 6: Final answer
x = 59,764.94
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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.