Finding the Fourth Proportional to 198,246.74, 296,995.56 and 153,655.17
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Solution
The fourth proportional to 198,246.74, 296,995.56 and 153,655.17 is: 230,192.46
Step by Step Solution
- Step 1: Write the proportion equation
198,246.74 : 296,995.56 = 153,655.17 : x - Step 2: Convert to fraction form
198,246.74/296,995.56 = 153,655.17/x - Step 3: Cross multiply
198,246.74x = 296,995.56 × 153,655.17 - Step 4: Simplify right side
198,246.74x = 45,634,903,261.05 - Step 5: Solve for x
x = 45,634,903,261.05/198,246.74 - Step 6: Final answer
x = 230,192.46
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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.