Finding the Fourth Proportional to 515,306.12, 772,596.99 and 226,980.92
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Solution
The fourth proportional to 515,306.12, 772,596.99 and 226,980.92 is: 340,311.84
Step by Step Solution
- Step 1: Write the proportion equation
515,306.12 : 772,596.99 = 226,980.92 : x - Step 2: Convert to fraction form
515,306.12/772,596.99 = 226,980.92/x - Step 3: Cross multiply
515,306.12x = 772,596.99 × 226,980.92 - Step 4: Simplify right side
515,306.12x = 175,364,775,579.43 - Step 5: Solve for x
x = 175,364,775,579.43/515,306.12 - Step 6: Final answer
x = 340,311.84
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1.5x scale
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.