Finding the Fourth Proportional to 149,706.99, 206,637.35 and 86,065.29
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Solution
The fourth proportional to 149,706.99, 206,637.35 and 86,065.29 is: 118,794.07
Step by Step Solution
- Step 1: Write the proportion equation
149,706.99 : 206,637.35 = 86,065.29 : x - Step 2: Convert to fraction form
149,706.99/206,637.35 = 86,065.29/x - Step 3: Cross multiply
149,706.99x = 206,637.35 × 86,065.29 - Step 4: Simplify right side
149,706.99x = 17,784,303,022.26 - Step 5: Solve for x
x = 17,784,303,022.26/149,706.99 - Step 6: Final answer
x = 118,794.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.