Finding the Fourth Proportional to 320,652.45, 480,913.07 and 110,306.79
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Solution
The fourth proportional to 320,652.45, 480,913.07 and 110,306.79 is: 165,437.61
Step by Step Solution
- Step 1: Write the proportion equation
320,652.45 : 480,913.07 = 110,306.79 : x - Step 2: Convert to fraction form
320,652.45/480,913.07 = 110,306.79/x - Step 3: Cross multiply
320,652.45x = 480,913.07 × 110,306.79 - Step 4: Simplify right side
320,652.45x = 53,047,976,469.21 - Step 5: Solve for x
x = 53,047,976,469.21/320,652.45 - Step 6: Final answer
x = 165,437.61
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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.