Finding the Fourth Proportional to 230,564.68, 343,528.76 and 217,673.06
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Solution
The fourth proportional to 230,564.68, 343,528.76 and 217,673.06 is: 324,320.95
Step by Step Solution
- Step 1: Write the proportion equation
230,564.68 : 343,528.76 = 217,673.06 : x - Step 2: Convert to fraction form
230,564.68/343,528.76 = 217,673.06/x - Step 3: Cross multiply
230,564.68x = 343,528.76 × 217,673.06 - Step 4: Simplify right side
230,564.68x = 74,776,955,213.74 - Step 5: Solve for x
x = 74,776,955,213.74/230,564.68 - Step 6: Final answer
x = 324,320.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.