Finding the Fourth Proportional to 512,223.48, 768,455.91 and 175,267.80
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Solution
The fourth proportional to 512,223.48, 768,455.91 and 175,267.80 is: 262,943.00
Step by Step Solution
- Step 1: Write the proportion equation
512,223.48 : 768,455.91 = 175,267.80 : x - Step 2: Convert to fraction form
512,223.48/768,455.91 = 175,267.80/x - Step 3: Cross multiply
512,223.48x = 768,455.91 × 175,267.80 - Step 4: Simplify right side
512,223.48x = 134,685,576,742.70 - Step 5: Solve for x
x = 134,685,576,742.70/512,223.48 - Step 6: Final answer
x = 262,943.00
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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.