Finding the Fourth Proportional to 659,237.67, 909,747.90 and 357,431.67
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Solution
The fourth proportional to 659,237.67, 909,747.90 and 357,431.67 is: 493,255.66
Step by Step Solution
- Step 1: Write the proportion equation
659,237.67 : 909,747.90 = 357,431.67 : x - Step 2: Convert to fraction form
659,237.67/909,747.90 = 357,431.67/x - Step 3: Cross multiply
659,237.67x = 909,747.90 × 357,431.67 - Step 4: Simplify right side
659,237.67x = 325,172,711,175.99 - Step 5: Solve for x
x = 325,172,711,175.99/659,237.67 - Step 6: Final answer
x = 493,255.66
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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.