Finding the Fourth Proportional to 153,761.79, 230,641.30 and 48,580.75
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Solution
The fourth proportional to 153,761.79, 230,641.30 and 48,580.75 is: 72,870.69
Step by Step Solution
- Step 1: Write the proportion equation
153,761.79 : 230,641.30 = 48,580.75 : x - Step 2: Convert to fraction form
153,761.79/230,641.30 = 48,580.75/x - Step 3: Cross multiply
153,761.79x = 230,641.30 × 48,580.75 - Step 4: Simplify right side
153,761.79x = 11,204,727,334.98 - Step 5: Solve for x
x = 11,204,727,334.98/153,761.79 - Step 6: Final answer
x = 72,870.69
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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.