Finding the Fourth Proportional to 468,197.20, 646,110.84 and 253,340.92
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Solution
The fourth proportional to 468,197.20, 646,110.84 and 253,340.92 is: 349,609.77
Step by Step Solution
- Step 1: Write the proportion equation
468,197.20 : 646,110.84 = 253,340.92 : x - Step 2: Convert to fraction form
468,197.20/646,110.84 = 253,340.92/x - Step 3: Cross multiply
468,197.20x = 646,110.84 × 253,340.92 - Step 4: Simplify right side
468,197.20x = 163,686,314,627.57 - Step 5: Solve for x
x = 163,686,314,627.57/468,197.20 - Step 6: Final answer
x = 349,609.77
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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.