Finding the Fourth Proportional to 150,207.06, 207,331.86 and 86,587.20
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Solution
The fourth proportional to 150,207.06, 207,331.86 and 86,587.20 is: 119,516.92
Step by Step Solution
- Step 1: Write the proportion equation
150,207.06 : 207,331.86 = 86,587.20 : x - Step 2: Convert to fraction form
150,207.06/207,331.86 = 86,587.20/x - Step 3: Cross multiply
150,207.06x = 207,331.86 × 86,587.20 - Step 4: Simplify right side
150,207.06x = 17,952,285,228.19 - Step 5: Solve for x
x = 17,952,285,228.19/150,207.06 - Step 6: Final answer
x = 119,516.92
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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.