Finding the Fourth Proportional to 427,203.65, 589,541.18 and 243,436.96
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Solution
The fourth proportional to 427,203.65, 589,541.18 and 243,436.96 is: 335,943.09
Step by Step Solution
- Step 1: Write the proportion equation
427,203.65 : 589,541.18 = 243,436.96 : x - Step 2: Convert to fraction form
427,203.65/589,541.18 = 243,436.96/x - Step 3: Cross multiply
427,203.65x = 589,541.18 × 243,436.96 - Step 4: Simplify right side
427,203.65x = 143,516,112,654.01 - Step 5: Solve for x
x = 143,516,112,654.01/427,203.65 - Step 6: Final answer
x = 335,943.09
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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.