Finding the Fourth Proportional to 195,406.76, 292,807.49 and 135,551.65
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Solution
The fourth proportional to 195,406.76, 292,807.49 and 135,551.65 is: 203,117.53
Step by Step Solution
- Step 1: Write the proportion equation
195,406.76 : 292,807.49 = 135,551.65 : x - Step 2: Convert to fraction form
195,406.76/292,807.49 = 135,551.65/x - Step 3: Cross multiply
195,406.76x = 292,807.49 × 135,551.65 - Step 4: Simplify right side
195,406.76x = 39,690,538,401.86 - Step 5: Solve for x
x = 39,690,538,401.86/195,406.76 - Step 6: Final answer
x = 203,117.53
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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.