Finding the Fourth Proportional to 97,461.70, 146,192.55 and 38,277.70
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Solution
The fourth proportional to 97,461.70, 146,192.55 and 38,277.70 is: 57,416.55
Step by Step Solution
- Step 1: Write the proportion equation
97,461.70 : 146,192.55 = 38,277.70 : x - Step 2: Convert to fraction form
97,461.70/146,192.55 = 38,277.70/x - Step 3: Cross multiply
97,461.70x = 146,192.55 × 38,277.70 - Step 4: Simplify right side
97,461.70x = 5,595,914,571.14 - Step 5: Solve for x
x = 5,595,914,571.14/97,461.70 - Step 6: Final answer
x = 57,416.55
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1.5x scale
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.