Finding the Fourth Proportional to 255,283.99, 382,925.98 and 68,290.63
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Solution
The fourth proportional to 255,283.99, 382,925.98 and 68,290.63 is: 102,435.94
Step by Step Solution
- Step 1: Write the proportion equation
255,283.99 : 382,925.98 = 68,290.63 : x - Step 2: Convert to fraction form
255,283.99/382,925.98 = 68,290.63/x - Step 3: Cross multiply
255,283.99x = 382,925.98 × 68,290.63 - Step 4: Simplify right side
255,283.99x = 26,150,256,417.57 - Step 5: Solve for x
x = 26,150,256,417.57/255,283.99 - Step 6: Final answer
x = 102,435.94
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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.