Finding the Fourth Proportional to 195,171.08, 269,337.06 and 105,747.08
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Solution
The fourth proportional to 195,171.08, 269,337.06 and 105,747.08 is: 145,931.50
Step by Step Solution
- Step 1: Write the proportion equation
195,171.08 : 269,337.06 = 105,747.08 : x - Step 2: Convert to fraction form
195,171.08/269,337.06 = 105,747.08/x - Step 3: Cross multiply
195,171.08x = 269,337.06 × 105,747.08 - Step 4: Simplify right side
195,171.08x = 28,481,607,630.78 - Step 5: Solve for x
x = 28,481,607,630.78/195,171.08 - Step 6: Final answer
x = 145,931.50
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1.5x scale
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.