Finding the Fourth Proportional to 254,812.19, 351,631.19 and 141,642.23
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Solution
The fourth proportional to 254,812.19, 351,631.19 and 141,642.23 is: 195,460.92
Step by Step Solution
- Step 1: Write the proportion equation
254,812.19 : 351,631.19 = 141,642.23 : x - Step 2: Convert to fraction form
254,812.19/351,631.19 = 141,642.23/x - Step 3: Cross multiply
254,812.19x = 351,631.19 × 141,642.23 - Step 4: Simplify right side
254,812.19x = 49,805,824,485.10 - Step 5: Solve for x
x = 49,805,824,485.10/254,812.19 - Step 6: Final answer
x = 195,460.92
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1.5x scale
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.