Finding the Fourth Proportional to 209,314.08, 313,971.12 and 61,570.08
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Solution
The fourth proportional to 209,314.08, 313,971.12 and 61,570.08 is: 92,355.12
Step by Step Solution
- Step 1: Write the proportion equation
209,314.08 : 313,971.12 = 61,570.08 : x - Step 2: Convert to fraction form
209,314.08/313,971.12 = 61,570.08/x - Step 3: Cross multiply
209,314.08x = 313,971.12 × 61,570.08 - Step 4: Simplify right side
209,314.08x = 19,331,226,976.09 - Step 5: Solve for x
x = 19,331,226,976.09/209,314.08 - Step 6: Final answer
x = 92,355.12
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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.