Finding the Fourth Proportional to 100,655.16, 150,982.77 and 47,307.99
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Solution
The fourth proportional to 100,655.16, 150,982.77 and 47,307.99 is: 70,962.00
Step by Step Solution
- Step 1: Write the proportion equation
100,655.16 : 150,982.77 = 47,307.99 : x - Step 2: Convert to fraction form
100,655.16/150,982.77 = 47,307.99/x - Step 3: Cross multiply
100,655.16x = 150,982.77 × 47,307.99 - Step 4: Simplify right side
100,655.16x = 7,142,691,373.33 - Step 5: Solve for x
x = 7,142,691,373.33/100,655.16 - Step 6: Final answer
x = 70,962.00
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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.