Finding the Fourth Proportional to 199,574.48, 299,202.76 and 115,238.88
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Solution
The fourth proportional to 199,574.48, 299,202.76 and 115,238.88 is: 172,766.53
Step by Step Solution
- Step 1: Write the proportion equation
199,574.48 : 299,202.76 = 115,238.88 : x - Step 2: Convert to fraction form
199,574.48/299,202.76 = 115,238.88/x - Step 3: Cross multiply
199,574.48x = 299,202.76 × 115,238.88 - Step 4: Simplify right side
199,574.48x = 34,479,790,955.31 - Step 5: Solve for x
x = 34,479,790,955.31/199,574.48 - Step 6: Final answer
x = 172,766.53
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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.