Finding the Fourth Proportional to 383,953.02, 529,854.39 and 214,177.02
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Solution
The fourth proportional to 383,953.02, 529,854.39 and 214,177.02 is: 295,563.85
Step by Step Solution
- Step 1: Write the proportion equation
383,953.02 : 529,854.39 = 214,177.02 : x - Step 2: Convert to fraction form
383,953.02/529,854.39 = 214,177.02/x - Step 3: Cross multiply
383,953.02x = 529,854.39 × 214,177.02 - Step 4: Simplify right side
383,953.02x = 113,482,634,284.12 - Step 5: Solve for x
x = 113,482,634,284.12/383,953.02 - Step 6: Final answer
x = 295,563.85
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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.