Finding the Fourth Proportional to 150,023.68, 207,032.16 and 82,955.68
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Solution
The fourth proportional to 150,023.68, 207,032.16 and 82,955.68 is: 114,478.55
Step by Step Solution
- Step 1: Write the proportion equation
150,023.68 : 207,032.16 = 82,955.68 : x - Step 2: Convert to fraction form
150,023.68/207,032.16 = 82,955.68/x - Step 3: Cross multiply
150,023.68x = 207,032.16 × 82,955.68 - Step 4: Simplify right side
150,023.68x = 17,174,493,614.67 - Step 5: Solve for x
x = 17,174,493,614.67/150,023.68 - Step 6: Final answer
x = 114,478.55
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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.