Finding the Fourth Proportional to 294,535.19, 441,812.37 and 81,319.09
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Solution
The fourth proportional to 294,535.19, 441,812.37 and 81,319.09 is: 121,981.28
Step by Step Solution
- Step 1: Write the proportion equation
294,535.19 : 441,812.37 = 81,319.09 : x - Step 2: Convert to fraction form
294,535.19/441,812.37 = 81,319.09/x - Step 3: Cross multiply
294,535.19x = 441,812.37 × 81,319.09 - Step 4: Simplify right side
294,535.19x = 35,927,779,907.96 - Step 5: Solve for x
x = 35,927,779,907.96/294,535.19 - Step 6: Final answer
x = 121,981.28
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1.5x scale
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.