Finding the Fourth Proportional to 150,585.32, 207,778.95 and 86,074.99
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Solution
The fourth proportional to 150,585.32, 207,778.95 and 86,074.99 is: 118,767.03
Step by Step Solution
- Step 1: Write the proportion equation
150,585.32 : 207,778.95 = 86,074.99 : x - Step 2: Convert to fraction form
150,585.32/207,778.95 = 86,074.99/x - Step 3: Cross multiply
150,585.32x = 207,778.95 × 86,074.99 - Step 4: Simplify right side
150,585.32x = 17,884,570,388.34 - Step 5: Solve for x
x = 17,884,570,388.34/150,585.32 - Step 6: Final answer
x = 118,767.03
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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.