Finding the Fourth Proportional to 385,157.28, 577,619.28 and 104,638.08
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Solution
The fourth proportional to 385,157.28, 577,619.28 and 104,638.08 is: 156,925.43
Step by Step Solution
- Step 1: Write the proportion equation
385,157.28 : 577,619.28 = 104,638.08 : x - Step 2: Convert to fraction form
385,157.28/577,619.28 = 104,638.08/x - Step 3: Cross multiply
385,157.28x = 577,619.28 × 104,638.08 - Step 4: Simplify right side
385,157.28x = 60,440,972,430.18 - Step 5: Solve for x
x = 60,440,972,430.18/385,157.28 - Step 6: Final answer
x = 156,925.43
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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.