Finding the Fourth Proportional to 125,625.60, 188,342.40 and 63,340.80
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Solution
The fourth proportional to 125,625.60, 188,342.40 and 63,340.80 is: 94,962.80
Step by Step Solution
- Step 1: Write the proportion equation
125,625.60 : 188,342.40 = 63,340.80 : x - Step 2: Convert to fraction form
125,625.60/188,342.40 = 63,340.80/x - Step 3: Cross multiply
125,625.60x = 188,342.40 × 63,340.80 - Step 4: Simplify right side
125,625.60x = 11,929,758,289.92 - Step 5: Solve for x
x = 11,929,758,289.92/125,625.60 - Step 6: Final answer
x = 94,962.80
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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.