Finding the Fourth Proportional to 150,663.12, 207,893.28 and 97,020.84
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Solution
The fourth proportional to 150,663.12, 207,893.28 and 97,020.84 is: 133,874.70
Step by Step Solution
- Step 1: Write the proportion equation
150,663.12 : 207,893.28 = 97,020.84 : x - Step 2: Convert to fraction form
150,663.12/207,893.28 = 97,020.84/x - Step 3: Cross multiply
150,663.12x = 207,893.28 × 97,020.84 - Step 4: Simplify right side
150,663.12x = 20,169,980,655.96 - Step 5: Solve for x
x = 20,169,980,655.96/150,663.12 - Step 6: Final answer
x = 133,874.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.