Finding the Fourth Proportional to 190,194.12, 262,482.66 and 105,319.08
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Solution
The fourth proportional to 190,194.12, 262,482.66 and 105,319.08 is: 145,348.51
Step by Step Solution
- Step 1: Write the proportion equation
190,194.12 : 262,482.66 = 105,319.08 : x - Step 2: Convert to fraction form
190,194.12/262,482.66 = 105,319.08/x - Step 3: Cross multiply
190,194.12x = 262,482.66 × 105,319.08 - Step 4: Simplify right side
190,194.12x = 27,644,432,267.15 - Step 5: Solve for x
x = 27,644,432,267.15/190,194.12 - Step 6: Final answer
x = 145,348.51
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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.