Finding the Fourth Proportional to 207,432.93, 286,263.21 and 126,858.99
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Solution
The fourth proportional to 207,432.93, 286,263.21 and 126,858.99 is: 175,068.93
Step by Step Solution
- Step 1: Write the proportion equation
207,432.93 : 286,263.21 = 126,858.99 : x - Step 2: Convert to fraction form
207,432.93/286,263.21 = 126,858.99/x - Step 3: Cross multiply
207,432.93x = 286,263.21 × 126,858.99 - Step 4: Simplify right side
207,432.93x = 36,315,061,694.76 - Step 5: Solve for x
x = 36,315,061,694.76/207,432.93 - Step 6: Final answer
x = 175,068.93
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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.