Finding the Fourth Proportional to 576,378.90, 864,568.35 and 366,167.70
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Solution
The fourth proportional to 576,378.90, 864,568.35 and 366,167.70 is: 549,251.55
Step by Step Solution
- Step 1: Write the proportion equation
576,378.90 : 864,568.35 = 366,167.70 : x - Step 2: Convert to fraction form
576,378.90/864,568.35 = 366,167.70/x - Step 3: Cross multiply
576,378.90x = 864,568.35 × 366,167.70 - Step 4: Simplify right side
576,378.90x = 316,577,004,212.30 - Step 5: Solve for x
x = 316,577,004,212.30/576,378.90 - Step 6: Final answer
x = 549,251.55
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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.