Finding the Fourth Proportional to 245,711.70, 368,567.55 and 166,979.70
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Solution
The fourth proportional to 245,711.70, 368,567.55 and 166,979.70 is: 250,469.55
Step by Step Solution
- Step 1: Write the proportion equation
245,711.70 : 368,567.55 = 166,979.70 : x - Step 2: Convert to fraction form
245,711.70/368,567.55 = 166,979.70/x - Step 3: Cross multiply
245,711.70x = 368,567.55 × 166,979.70 - Step 4: Simplify right side
245,711.70x = 61,543,298,928.74 - Step 5: Solve for x
x = 61,543,298,928.74/245,711.70 - Step 6: Final answer
x = 250,469.55
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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.