Finding the Fourth Proportional to 512,224.58, 768,139.95 and 353,973.26
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Solution
The fourth proportional to 512,224.58, 768,139.95 and 353,973.26 is: 530,823.81
Step by Step Solution
- Step 1: Write the proportion equation
512,224.58 : 768,139.95 = 353,973.26 : x - Step 2: Convert to fraction form
512,224.58/768,139.95 = 353,973.26/x - Step 3: Cross multiply
512,224.58x = 768,139.95 × 353,973.26 - Step 4: Simplify right side
512,224.58x = 271,901,002,237.74 - Step 5: Solve for x
x = 271,901,002,237.74/512,224.58 - Step 6: Final answer
x = 530,823.81
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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.