Finding the Fourth Proportional to 501,209.28, 752,107.68 and 201,643.20
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Solution
The fourth proportional to 501,209.28, 752,107.68 and 201,643.20 is: 302,582.98
Step by Step Solution
- Step 1: Write the proportion equation
501,209.28 : 752,107.68 = 201,643.20 : x - Step 2: Convert to fraction form
501,209.28/752,107.68 = 201,643.20/x - Step 3: Cross multiply
501,209.28x = 752,107.68 × 201,643.20 - Step 4: Simplify right side
501,209.28x = 151,657,399,339.78 - Step 5: Solve for x
x = 151,657,399,339.78/501,209.28 - Step 6: Final answer
x = 302,582.98
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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.