Finding the Fourth Proportional to 297,409.50, 410,427.99 and 163,276.38
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Solution
The fourth proportional to 297,409.50, 410,427.99 and 163,276.38 is: 225,322.99
Step by Step Solution
- Step 1: Write the proportion equation
297,409.50 : 410,427.99 = 163,276.38 : x - Step 2: Convert to fraction form
297,409.50/410,427.99 = 163,276.38/x - Step 3: Cross multiply
297,409.50x = 410,427.99 × 163,276.38 - Step 4: Simplify right side
297,409.50x = 67,013,196,457.88 - Step 5: Solve for x
x = 67,013,196,457.88/297,409.50 - Step 6: Final answer
x = 225,322.99
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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.