Finding the Fourth Proportional to 209,752.63, 314,903.36 and 124,519.10
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Solution
The fourth proportional to 209,752.63, 314,903.36 and 124,519.10 is: 186,941.55
Step by Step Solution
- Step 1: Write the proportion equation
209,752.63 : 314,903.36 = 124,519.10 : x - Step 2: Convert to fraction form
209,752.63/314,903.36 = 124,519.10/x - Step 3: Cross multiply
209,752.63x = 314,903.36 × 124,519.10 - Step 4: Simplify right side
209,752.63x = 39,211,481,710.96 - Step 5: Solve for x
x = 39,211,481,710.96/209,752.63 - Step 6: Final answer
x = 186,941.55
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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.