Finding the Fourth Proportional to 247,666.32, 341,774.64 and 145,702.80
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Solution
The fourth proportional to 247,666.32, 341,774.64 and 145,702.80 is: 201,066.99
Step by Step Solution
- Step 1: Write the proportion equation
247,666.32 : 341,774.64 = 145,702.80 : x - Step 2: Convert to fraction form
247,666.32/341,774.64 = 145,702.80/x - Step 3: Cross multiply
247,666.32x = 341,774.64 × 145,702.80 - Step 4: Simplify right side
247,666.32x = 49,797,522,016.99 - Step 5: Solve for x
x = 49,797,522,016.99/247,666.32 - Step 6: Final answer
x = 201,066.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.