Finding the Fourth Proportional to 340,453.40, 469,810.51 and 195,154.99
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Solution
The fourth proportional to 340,453.40, 469,810.51 and 195,154.99 is: 269,305.19
Step by Step Solution
- Step 1: Write the proportion equation
340,453.40 : 469,810.51 = 195,154.99 : x - Step 2: Convert to fraction form
340,453.40/469,810.51 = 195,154.99/x - Step 3: Cross multiply
340,453.40x = 469,810.51 × 195,154.99 - Step 4: Simplify right side
340,453.40x = 91,685,867,458.96 - Step 5: Solve for x
x = 91,685,867,458.96/340,453.40 - Step 6: Final answer
x = 269,305.19
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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.