Finding the Fourth Proportional to 262,479.94, 393,782.61 and 84,987.13
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Solution
The fourth proportional to 262,479.94, 393,782.61 and 84,987.13 is: 127,501.00
Step by Step Solution
- Step 1: Write the proportion equation
262,479.94 : 393,782.61 = 84,987.13 : x - Step 2: Convert to fraction form
262,479.94/393,782.61 = 84,987.13/x - Step 3: Cross multiply
262,479.94x = 393,782.61 × 84,987.13 - Step 4: Simplify right side
262,479.94x = 33,466,453,867.81 - Step 5: Solve for x
x = 33,466,453,867.81/262,479.94 - Step 6: Final answer
x = 127,501.00
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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.