Finding the Fourth Proportional to 437,462.88, 655,739.28 and 317,228.64
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Solution
The fourth proportional to 437,462.88, 655,739.28 and 317,228.64 is: 475,512.99
Step by Step Solution
- Step 1: Write the proportion equation
437,462.88 : 655,739.28 = 317,228.64 : x - Step 2: Convert to fraction form
437,462.88/655,739.28 = 317,228.64/x - Step 3: Cross multiply
437,462.88x = 655,739.28 × 317,228.64 - Step 4: Simplify right side
437,462.88x = 208,019,279,988.98 - Step 5: Solve for x
x = 208,019,279,988.98/437,462.88 - Step 6: Final answer
x = 475,512.99
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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.