Finding the Fourth Proportional to 207,550.56, 286,426.80 and 122,740.32
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Solution
The fourth proportional to 207,550.56, 286,426.80 and 122,740.32 is: 169,385.80
Step by Step Solution
- Step 1: Write the proportion equation
207,550.56 : 286,426.80 = 122,740.32 : x - Step 2: Convert to fraction form
207,550.56/286,426.80 = 122,740.32/x - Step 3: Cross multiply
207,550.56x = 286,426.80 × 122,740.32 - Step 4: Simplify right side
207,550.56x = 35,156,117,088.58 - Step 5: Solve for x
x = 35,156,117,088.58/207,550.56 - Step 6: Final answer
x = 169,385.80
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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.