Finding the Fourth Proportional to 97,186.42, 145,817.70 and 38,011.87
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Solution
The fourth proportional to 97,186.42, 145,817.70 and 38,011.87 is: 57,032.70
Step by Step Solution
- Step 1: Write the proportion equation
97,186.42 : 145,817.70 = 38,011.87 : x - Step 2: Convert to fraction form
97,186.42/145,817.70 = 38,011.87/x - Step 3: Cross multiply
97,186.42x = 145,817.70 × 38,011.87 - Step 4: Simplify right side
97,186.42x = 5,542,803,456.10 - Step 5: Solve for x
x = 5,542,803,456.10/97,186.42 - Step 6: Final answer
x = 57,032.70
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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.