Finding the Fourth Proportional to 416,618.37, 574,774.81 and 307,983.53
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Solution
The fourth proportional to 416,618.37, 574,774.81 and 307,983.53 is: 424,900.07
Step by Step Solution
- Step 1: Write the proportion equation
416,618.37 : 574,774.81 = 307,983.53 : x - Step 2: Convert to fraction form
416,618.37/574,774.81 = 307,983.53/x - Step 3: Cross multiply
416,618.37x = 574,774.81 × 307,983.53 - Step 4: Simplify right side
416,618.37x = 177,021,172,065.01 - Step 5: Solve for x
x = 177,021,172,065.01/416,618.37 - Step 6: Final answer
x = 424,900.07
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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.