Finding the Fourth Proportional to 261,973.92, 392,370.08 and 183,438.76
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Solution
The fourth proportional to 261,973.92, 392,370.08 and 183,438.76 is: 274,744.45
Step by Step Solution
- Step 1: Write the proportion equation
261,973.92 : 392,370.08 = 183,438.76 : x - Step 2: Convert to fraction form
261,973.92/392,370.08 = 183,438.76/x - Step 3: Cross multiply
261,973.92x = 392,370.08 × 183,438.76 - Step 4: Simplify right side
261,973.92x = 71,975,880,936.30 - Step 5: Solve for x
x = 71,975,880,936.30/261,973.92 - Step 6: Final answer
x = 274,744.45
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1.5x scale
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.