Finding the Fourth Proportional to 130,995.11, 196,530.93 and 42,246.65
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Solution
The fourth proportional to 130,995.11, 196,530.93 and 42,246.65 is: 63,382.31
Step by Step Solution
- Step 1: Write the proportion equation
130,995.11 : 196,530.93 = 42,246.65 : x - Step 2: Convert to fraction form
130,995.11/196,530.93 = 42,246.65/x - Step 3: Cross multiply
130,995.11x = 196,530.93 × 42,246.65 - Step 4: Simplify right side
130,995.11x = 8,302,772,431.23 - Step 5: Solve for x
x = 8,302,772,431.23/130,995.11 - Step 6: Final answer
x = 63,382.31
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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.