Finding the Fourth Proportional to 99,572.98, 149,343.27 and 40,406.26
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Solution
The fourth proportional to 99,572.98, 149,343.27 and 40,406.26 is: 60,602.82
Step by Step Solution
- Step 1: Write the proportion equation
99,572.98 : 149,343.27 = 40,406.26 : x - Step 2: Convert to fraction form
99,572.98/149,343.27 = 40,406.26/x - Step 3: Cross multiply
99,572.98x = 149,343.27 × 40,406.26 - Step 4: Simplify right side
99,572.98x = 6,034,402,996.87 - Step 5: Solve for x
x = 6,034,402,996.87/99,572.98 - Step 6: Final answer
x = 60,602.82
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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.