Finding the Fourth Proportional to 314,811.09, 434,426.61 and 171,568.05
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Solution
The fourth proportional to 314,811.09, 434,426.61 and 171,568.05 is: 236,756.99
Step by Step Solution
- Step 1: Write the proportion equation
314,811.09 : 434,426.61 = 171,568.05 : x - Step 2: Convert to fraction form
314,811.09/434,426.61 = 171,568.05/x - Step 3: Cross multiply
314,811.09x = 434,426.61 × 171,568.05 - Step 4: Simplify right side
314,811.09x = 74,533,726,345.81 - Step 5: Solve for x
x = 74,533,726,345.81/314,811.09 - Step 6: Final answer
x = 236,756.99
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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.