Finding the Fourth Proportional to 199,250.24, 298,875.36 and 115,138.88
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Solution
The fourth proportional to 199,250.24, 298,875.36 and 115,138.88 is: 172,708.32
Step by Step Solution
- Step 1: Write the proportion equation
199,250.24 : 298,875.36 = 115,138.88 : x - Step 2: Convert to fraction form
199,250.24/298,875.36 = 115,138.88/x - Step 3: Cross multiply
199,250.24x = 298,875.36 × 115,138.88 - Step 4: Simplify right side
199,250.24x = 34,412,174,210.00 - Step 5: Solve for x
x = 34,412,174,210.00/199,250.24 - Step 6: Final answer
x = 172,708.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.