Finding the Fourth Proportional to 150,358.32, 207,502.56 and 86,698.80
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Solution
The fourth proportional to 150,358.32, 207,502.56 and 86,698.80 is: 119,649.00
Step by Step Solution
- Step 1: Write the proportion equation
150,358.32 : 207,502.56 = 86,698.80 : x - Step 2: Convert to fraction form
150,358.32/207,502.56 = 86,698.80/x - Step 3: Cross multiply
150,358.32x = 207,502.56 × 86,698.80 - Step 4: Simplify right side
150,358.32x = 17,990,222,948.93 - Step 5: Solve for x
x = 17,990,222,948.93/150,358.32 - Step 6: Final answer
x = 119,649.00
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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.