Finding the Fourth Proportional to 210,573.35, 290,590.58 and 115,080.05
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Solution
The fourth proportional to 210,573.35, 290,590.58 and 115,080.05 is: 158,810.12
Step by Step Solution
- Step 1: Write the proportion equation
210,573.35 : 290,590.58 = 115,080.05 : x - Step 2: Convert to fraction form
210,573.35/290,590.58 = 115,080.05/x - Step 3: Cross multiply
210,573.35x = 290,590.58 × 115,080.05 - Step 4: Simplify right side
210,573.35x = 33,441,178,188.23 - Step 5: Solve for x
x = 33,441,178,188.23/210,573.35 - Step 6: Final answer
x = 158,810.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.