Finding the Fourth Proportional to 475,827.12, 656,766.36 and 284,989.68
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Solution
The fourth proportional to 475,827.12, 656,766.36 and 284,989.68 is: 393,360.59
Step by Step Solution
- Step 1: Write the proportion equation
475,827.12 : 656,766.36 = 284,989.68 : x - Step 2: Convert to fraction form
475,827.12/656,766.36 = 284,989.68/x - Step 3: Cross multiply
475,827.12x = 656,766.36 × 284,989.68 - Step 4: Simplify right side
475,827.12x = 187,171,634,771.17 - Step 5: Solve for x
x = 187,171,634,771.17/475,827.12 - Step 6: Final answer
x = 393,360.59
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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.