Finding the Fourth Proportional to 275,171.81, 412,798.70 and 97,663.95
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Solution
The fourth proportional to 275,171.81, 412,798.70 and 97,663.95 is: 146,510.47
Step by Step Solution
- Step 1: Write the proportion equation
275,171.81 : 412,798.70 = 97,663.95 : x - Step 2: Convert to fraction form
275,171.81/412,798.70 = 97,663.95/x - Step 3: Cross multiply
275,171.81x = 412,798.70 × 97,663.95 - Step 4: Simplify right side
275,171.81x = 40,315,551,841.02 - Step 5: Solve for x
x = 40,315,551,841.02/275,171.81 - Step 6: Final answer
x = 146,510.47
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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.