Finding the Fourth Proportional to 156,715.08, 235,072.62 and 45,907.08
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Solution
The fourth proportional to 156,715.08, 235,072.62 and 45,907.08 is: 68,860.62
Step by Step Solution
- Step 1: Write the proportion equation
156,715.08 : 235,072.62 = 45,907.08 : x - Step 2: Convert to fraction form
156,715.08/235,072.62 = 45,907.08/x - Step 3: Cross multiply
156,715.08x = 235,072.62 × 45,907.08 - Step 4: Simplify right side
156,715.08x = 10,791,497,572.15 - Step 5: Solve for x
x = 10,791,497,572.15/156,715.08 - Step 6: Final answer
x = 68,860.62
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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.