Finding the Fourth Proportional to 316,636.68, 475,076.74 and 190,364.08
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Solution
The fourth proportional to 316,636.68, 475,076.74 and 190,364.08 is: 285,619.30
Step by Step Solution
- Step 1: Write the proportion equation
316,636.68 : 475,076.74 = 190,364.08 : x - Step 2: Convert to fraction form
316,636.68/475,076.74 = 190,364.08/x - Step 3: Cross multiply
316,636.68x = 475,076.74 × 190,364.08 - Step 4: Simplify right side
316,636.68x = 90,437,546,539.50 - Step 5: Solve for x
x = 90,437,546,539.50/316,636.68 - Step 6: Final answer
x = 285,619.30
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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.