Finding the Fourth Proportional to 443,441.08, 611,947.74 and 242,237.08
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Solution
The fourth proportional to 443,441.08, 611,947.74 and 242,237.08 is: 334,286.65
Step by Step Solution
- Step 1: Write the proportion equation
443,441.08 : 611,947.74 = 242,237.08 : x - Step 2: Convert to fraction form
443,441.08/611,947.74 = 242,237.08/x - Step 3: Cross multiply
443,441.08x = 611,947.74 × 242,237.08 - Step 4: Simplify right side
443,441.08x = 148,236,433,650.20 - Step 5: Solve for x
x = 148,236,433,650.20/443,441.08 - Step 6: Final answer
x = 334,286.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.