Finding the Fourth Proportional to 195,686.02, 293,641.91 and 105,728.99
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Solution
The fourth proportional to 195,686.02, 293,641.91 and 105,728.99 is: 158,654.48
Step by Step Solution
- Step 1: Write the proportion equation
195,686.02 : 293,641.91 = 105,728.99 : x - Step 2: Convert to fraction form
195,686.02/293,641.91 = 105,728.99/x - Step 3: Cross multiply
195,686.02x = 293,641.91 × 105,728.99 - Step 4: Simplify right side
195,686.02x = 31,046,463,732.57 - Step 5: Solve for x
x = 31,046,463,732.57/195,686.02 - Step 6: Final answer
x = 158,654.48
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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.