Finding the Fourth Proportional to 257,747.40, 386,762.04 and 99,982.08
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Solution
The fourth proportional to 257,747.40, 386,762.04 and 99,982.08 is: 150,027.79
Step by Step Solution
- Step 1: Write the proportion equation
257,747.40 : 386,762.04 = 99,982.08 : x - Step 2: Convert to fraction form
257,747.40/386,762.04 = 99,982.08/x - Step 3: Cross multiply
257,747.40x = 386,762.04 × 99,982.08 - Step 4: Simplify right side
257,747.40x = 38,669,273,224.24 - Step 5: Solve for x
x = 38,669,273,224.24/257,747.40 - Step 6: Final answer
x = 150,027.79
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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.