Finding the Fourth Proportional to 130,584.81, 195,752.97 and 41,781.06
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Solution
The fourth proportional to 130,584.81, 195,752.97 and 41,781.06 is: 62,631.84
Step by Step Solution
- Step 1: Write the proportion equation
130,584.81 : 195,752.97 = 41,781.06 : x - Step 2: Convert to fraction form
130,584.81/195,752.97 = 41,781.06/x - Step 3: Cross multiply
130,584.81x = 195,752.97 × 41,781.06 - Step 4: Simplify right side
130,584.81x = 8,178,766,584.75 - Step 5: Solve for x
x = 8,178,766,584.75/130,584.81 - Step 6: Final answer
x = 62,631.84
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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.