Finding the Fourth Proportional to 209,480.08, 314,234.68 and 69,337.12
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Solution
The fourth proportional to 209,480.08, 314,234.68 and 69,337.12 is: 104,010.50
Step by Step Solution
- Step 1: Write the proportion equation
209,480.08 : 314,234.68 = 69,337.12 : x - Step 2: Convert to fraction form
209,480.08/314,234.68 = 69,337.12/x - Step 3: Cross multiply
209,480.08x = 314,234.68 × 69,337.12 - Step 4: Simplify right side
209,480.08x = 21,788,127,715.32 - Step 5: Solve for x
x = 21,788,127,715.32/209,480.08 - Step 6: Final answer
x = 104,010.50
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1.5x scale
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.