Finding the Fourth Proportional to 325,852.60, 488,390.10 and 292,415.80
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Solution
The fourth proportional to 325,852.60, 488,390.10 and 292,415.80 is: 438,274.80
Step by Step Solution
- Step 1: Write the proportion equation
325,852.60 : 488,390.10 = 292,415.80 : x - Step 2: Convert to fraction form
325,852.60/488,390.10 = 292,415.80/x - Step 3: Cross multiply
325,852.60x = 488,390.10 × 292,415.80 - Step 4: Simplify right side
325,852.60x = 142,812,981,803.58 - Step 5: Solve for x
x = 142,812,981,803.58/325,852.60 - Step 6: Final answer
x = 438,274.80
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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.