Finding the Fourth Proportional to 134,503.99, 201,708.83 and 39,708.88
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Solution
The fourth proportional to 134,503.99, 201,708.83 and 39,708.88 is: 59,549.40
Step by Step Solution
- Step 1: Write the proportion equation
134,503.99 : 201,708.83 = 39,708.88 : x - Step 2: Convert to fraction form
134,503.99/201,708.83 = 39,708.88/x - Step 3: Cross multiply
134,503.99x = 201,708.83 × 39,708.88 - Step 4: Simplify right side
134,503.99x = 8,009,631,320.41 - Step 5: Solve for x
x = 8,009,631,320.41/134,503.99 - Step 6: Final answer
x = 59,549.40
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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.