Finding the Fourth Proportional to 203,088.57, 280,270.99 and 112,444.54
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Solution
The fourth proportional to 203,088.57, 280,270.99 and 112,444.54 is: 155,178.31
Step by Step Solution
- Step 1: Write the proportion equation
203,088.57 : 280,270.99 = 112,444.54 : x - Step 2: Convert to fraction form
203,088.57/280,270.99 = 112,444.54/x - Step 3: Cross multiply
203,088.57x = 280,270.99 × 112,444.54 - Step 4: Simplify right side
203,088.57x = 31,514,941,353.27 - Step 5: Solve for x
x = 31,514,941,353.27/203,088.57 - Step 6: Final answer
x = 155,178.31
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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.