Finding the Fourth Proportional to 134,681.40, 201,989.70 and 41,187.96
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Solution
The fourth proportional to 134,681.40, 201,989.70 and 41,187.96 is: 61,772.03
Step by Step Solution
- Step 1: Write the proportion equation
134,681.40 : 201,989.70 = 41,187.96 : x - Step 2: Convert to fraction form
134,681.40/201,989.70 = 41,187.96/x - Step 3: Cross multiply
134,681.40x = 201,989.70 × 41,187.96 - Step 4: Simplify right side
134,681.40x = 8,319,543,684.01 - Step 5: Solve for x
x = 8,319,543,684.01/134,681.40 - Step 6: Final answer
x = 61,772.03
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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.