Finding the Fourth Proportional to 97,364.70, 145,939.05 and 38,180.70
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Solution
The fourth proportional to 97,364.70, 145,939.05 and 38,180.70 is: 57,228.70
Step by Step Solution
- Step 1: Write the proportion equation
97,364.70 : 145,939.05 = 38,180.70 : x - Step 2: Convert to fraction form
97,364.70/145,939.05 = 38,180.70/x - Step 3: Cross multiply
97,364.70x = 145,939.05 × 38,180.70 - Step 4: Simplify right side
97,364.70x = 5,572,055,086.34 - Step 5: Solve for x
x = 5,572,055,086.34/97,364.70 - Step 6: Final answer
x = 57,228.70
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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.