Finding the Fourth Proportional to 201,645.70, 302,468.55 and 53,901.70
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Solution
The fourth proportional to 201,645.70, 302,468.55 and 53,901.70 is: 80,852.55
Step by Step Solution
- Step 1: Write the proportion equation
201,645.70 : 302,468.55 = 53,901.70 : x - Step 2: Convert to fraction form
201,645.70/302,468.55 = 53,901.70/x - Step 3: Cross multiply
201,645.70x = 302,468.55 × 53,901.70 - Step 4: Simplify right side
201,645.70x = 16,303,569,041.54 - Step 5: Solve for x
x = 16,303,569,041.54/201,645.70 - Step 6: Final answer
x = 80,852.55
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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.