Finding the Fourth Proportional to 371,975.92, 557,953.56 and 135,322.96
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Solution
The fourth proportional to 371,975.92, 557,953.56 and 135,322.96 is: 202,980.69
Step by Step Solution
- Step 1: Write the proportion equation
371,975.92 : 557,953.56 = 135,322.96 : x - Step 2: Convert to fraction form
371,975.92/557,953.56 = 135,322.96/x - Step 3: Cross multiply
371,975.92x = 557,953.56 × 135,322.96 - Step 4: Simplify right side
371,975.92x = 75,503,927,281.74 - Step 5: Solve for x
x = 75,503,927,281.74/371,975.92 - Step 6: Final answer
x = 202,980.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.