Finding the Fourth Proportional to 190,623.16, 286,042.26 and 189,117.88
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Solution
The fourth proportional to 190,623.16, 286,042.26 and 189,117.88 is: 283,783.49
Step by Step Solution
- Step 1: Write the proportion equation
190,623.16 : 286,042.26 = 189,117.88 : x - Step 2: Convert to fraction form
190,623.16/286,042.26 = 189,117.88/x - Step 3: Cross multiply
190,623.16x = 286,042.26 × 189,117.88 - Step 4: Simplify right side
190,623.16x = 54,095,705,801.61 - Step 5: Solve for x
x = 54,095,705,801.61/190,623.16 - Step 6: Final answer
x = 283,783.49
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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.