Finding the Fourth Proportional to 134,428.08, 201,672.12 and 40,941.04
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Solution
The fourth proportional to 134,428.08, 201,672.12 and 40,941.04 is: 61,420.70
Step by Step Solution
- Step 1: Write the proportion equation
134,428.08 : 201,672.12 = 40,941.04 : x - Step 2: Convert to fraction form
134,428.08/201,672.12 = 40,941.04/x - Step 3: Cross multiply
134,428.08x = 201,672.12 × 40,941.04 - Step 4: Simplify right side
134,428.08x = 8,256,666,331.80 - Step 5: Solve for x
x = 8,256,666,331.80/134,428.08 - Step 6: Final answer
x = 61,420.70
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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.