Finding the Fourth Proportional to 150,286.08, 207,347.76 and 86,615.28
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Solution
The fourth proportional to 150,286.08, 207,347.76 and 86,615.28 is: 119,501.98
Step by Step Solution
- Step 1: Write the proportion equation
150,286.08 : 207,347.76 = 86,615.28 : x - Step 2: Convert to fraction form
150,286.08/207,347.76 = 86,615.28/x - Step 3: Cross multiply
150,286.08x = 207,347.76 × 86,615.28 - Step 4: Simplify right side
150,286.08x = 17,959,484,289.77 - Step 5: Solve for x
x = 17,959,484,289.77/150,286.08 - Step 6: Final answer
x = 119,501.98
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1.5x scale
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.