Finding the Fourth Proportional to 351,134.14, 525,315.42 and 270,561.70
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Solution
The fourth proportional to 351,134.14, 525,315.42 and 270,561.70 is: 404,774.75
Step by Step Solution
- Step 1: Write the proportion equation
351,134.14 : 525,315.42 = 270,561.70 : x - Step 2: Convert to fraction form
351,134.14/525,315.42 = 270,561.70/x - Step 3: Cross multiply
351,134.14x = 525,315.42 × 270,561.70 - Step 4: Simplify right side
351,134.14x = 142,130,233,071.41 - Step 5: Solve for x
x = 142,130,233,071.41/351,134.14 - Step 6: Final answer
x = 404,774.75
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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.