Finding the Fourth Proportional to 190,130.19, 285,475.64 and 106,054.62
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Solution
The fourth proportional to 190,130.19, 285,475.64 and 106,054.62 is: 159,238.31
Step by Step Solution
- Step 1: Write the proportion equation
190,130.19 : 285,475.64 = 106,054.62 : x - Step 2: Convert to fraction form
190,130.19/285,475.64 = 106,054.62/x - Step 3: Cross multiply
190,130.19x = 285,475.64 × 106,054.62 - Step 4: Simplify right side
190,130.19x = 30,276,010,519.46 - Step 5: Solve for x
x = 30,276,010,519.46/190,130.19 - Step 6: Final answer
x = 159,238.31
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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.