Finding the Fourth Proportional to 512,210.88, 768,708.36 and 231,924.96
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Solution
The fourth proportional to 512,210.88, 768,708.36 and 231,924.96 is: 348,064.95
Step by Step Solution
- Step 1: Write the proportion equation
512,210.88 : 768,708.36 = 231,924.96 : x - Step 2: Convert to fraction form
512,210.88/768,708.36 = 231,924.96/x - Step 3: Cross multiply
512,210.88x = 768,708.36 × 231,924.96 - Step 4: Simplify right side
512,210.88x = 178,282,655,644.67 - Step 5: Solve for x
x = 178,282,655,644.67/512,210.88 - Step 6: Final answer
x = 348,064.95
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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.