Finding the Fourth Proportional to 431,473.28, 595,453.56 and 240,488.12
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Solution
The fourth proportional to 431,473.28, 595,453.56 and 240,488.12 is: 331,884.99
Step by Step Solution
- Step 1: Write the proportion equation
431,473.28 : 595,453.56 = 240,488.12 : x - Step 2: Convert to fraction form
431,473.28/595,453.56 = 240,488.12/x - Step 3: Cross multiply
431,473.28x = 595,453.56 × 240,488.12 - Step 4: Simplify right side
431,473.28x = 143,199,507,191.71 - Step 5: Solve for x
x = 143,199,507,191.71/431,473.28 - Step 6: Final answer
x = 331,884.99
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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.