Finding the Fourth Proportional to 411,134.02, 616,767.48 and 126,758.00
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Solution
The fourth proportional to 411,134.02, 616,767.48 and 126,758.00 is: 190,157.49
Step by Step Solution
- Step 1: Write the proportion equation
411,134.02 : 616,767.48 = 126,758.00 : x - Step 2: Convert to fraction form
411,134.02/616,767.48 = 126,758.00/x - Step 3: Cross multiply
411,134.02x = 616,767.48 × 126,758.00 - Step 4: Simplify right side
411,134.02x = 78,180,213,771.76 - Step 5: Solve for x
x = 78,180,213,771.76/411,134.02 - Step 6: Final answer
x = 190,157.49
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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.